@article{as92,
   author    = "John Atanga and David Silvester",
   title     = "Iterative methods for stabilized mixed velocity--pressure finite elements", 
   journal   = "Int. J. Numer. Meth. Fluids", 
   volume    = "14", 
   pages     = "71--81", 
   year      = "1992",
    url    = "{\tt http://dx.doi.org/10.1002/fld.1650140106}"
}  

@article{bps12,
   author    = "Alexey Bespalov and Catherine Powell and David Silvester",
   title     = "A priori error analysis of stochastic {G}alerkin mixed approximations 
                of elliptic PDEs with random data",
   journal   = "SIAM J. Numer. Anal.",
   volume    = "50",
   pages     = "2039--2063",
   year      = "2012",
   url      = "{\tt http://dx.doi.org/10.1137/110854898}"
}


@article{bps14,
   author    = "Alexey Bespalov and Catherine Powell and David Silvester",
   title     = "Energy norm a posteriori error estimation for parametric operator equations",
   journal   = "SIAM J. Sci. Comput.",
   volume    = "36",
   pages     = "A339--A363",
   year      = "2014",
   url    = "{\tt http://dx.doi.org/10.1137/130916849}"
}

@article{bs16,
   author  = "Alex Bespalov and David Silvester",
   title   = "Efficient adaptive stochastic {G}alerkin methods for parametric operator
              equations",
   journal  = "SIAM J. Sci. Comput.",
     volume    = "38",
   pages   = "A2118--A2140",
   year    = "2016",
   url   = "{\tt http://dx.doi.org/10.1137/15M1027048}"
}


@article{dst88,
author  = "Alison Durham and David Silvester and Ronald Thatcher",
title   = "A study of flow through a vortex amplifier at low {R}eynolds number using the finite element method", 
 journal  = "J. Fluid Control ",
 pages   = "47--61",
 year    = "1988",
}



@article{dss13,
author={Sebastien Duminil and Hassane Sadok  and David Silvester},
year={2013},
journal={Numerical Algorithms},
doi={10.1007/s11075-013-9726-7},
title={Fast solvers for discretized Navier-Stokes problems using vector extrapolation},
url={{\tt http://dx.doi.org/10.1007/s11075-013-9726-7}},
pages={1-16},
language={English}
}


@article{ehsst07,
   author    = "Howard Elman and Victoria Howle and John Shadid and David Silvester
                and Ray Tuminaro",
   title     = "Least squares preconditioners for stabilized discretizations of the 
                {N}avier--{S}tokes equations",
   journal   = "SIAM J. Sci. Comput.",
   volume    = "30",
   pages     = "290--311",
   year      = "2007",
   url      = "{\tt http://dx.doi.org/10.1137/060655742}"
}

@article{ems11,
 author    = "Howard Elman and Milan Mihajlovi{\' c} and David Silvester",
 title     = "Fast iterative solvers for buoyancy driven flow problems",
 journal   = "J. Comput. Phys.",
 volume    = "230",
  pages    = "3900--3914",
  year     = "2011",
   url     = "{\tt http://dx.doi.org/10.1016/j.jcp.2011.02.014}"
 }


@article{ers07,
   author    = "Howard Elman and Alison Ramage and David Silvester",
   title     = "Algorithm 866: {IFISS}, a {M}atlab toolbox for modelling incompressible flow",
   journal   = "ACM Trans. Math. Softw.",
   volume    = "33",
   pages     = "2--14",
   year      = "2007",
   url      = "{\tt http://dx.doi.org/10.1145/1236463.1236469}"
}


@article{ers14,
   author    = "Howard Elman and Alison Ramage and David Silvester",
   title     = "{IFISS}: A computational laboratory for investigating incompressible flow     
                problems",
   journal   = "SIAM Review",
   volume    = "56",
   number    = "2",
   pages     = "261--273",
   year      = "2014",
   url       = "{\tt http://dx.doi.org/10.1137/120891393}"
}


@article{es96,
   author    = "Howard Elman and David Silvester",
   title     = "Fast nonsymmetric iterations and preconditioning for {N}avier--{S}tokes 
                equations",
   journal   = "SIAM J. Sci. Comput.",
   volume    = "17",
   pages     = "33--46",
   year      = "1996",
   url     = "{\tt http://dx.doi.org/10.1137/0917004}"
}

@article{es18,
   author    = "Howard Elman and David Silvester",
   title     = "Collocation methods for exploring perturbations in linear stability analysis",
   journal   = "SIAM J. Sci. Comput.",
   volume    = "40",
   pages     = "A2667--A2693",
   year      = "2018",
   url     = "{\tt https://doi.org/10.1137/17M1117689}"
}


@incollection{esw97,
   author    = "Howard Elman and David Silvester and Andy Wathen",
   title     = "Iterative methods for problems in computational fluid dynamics",
   editor    = "Raymond Chan and Tony  Chan and Gene Golub ",
   booktitle = "Iterative Methods in Scientific Computing",
   publisher = "Springer-Verlag",
     address = "Singapore",
   pages     = "271--327",
   year      = "1997"
}

@article{esw02,
   author    = "Howard Elman and David Silvester and Andrew Wathen",
   title     = "Performance and analysis of saddle point preconditioners for
                the discrete steady-state {N}avier--{S}tokes equations",
   journal   = "Numer. Math.",
   volume    = "90",
   pages     = "665--688",
   year      = "2002",
   url     = "{\tt http://dx.doi.org/10.1007/s002110100300}"
}


@book{esw05,
   author    = "Howard Elman and David Silvester and Andy Wathen",
   title     = "Finite Elements and Fast Iterative Solvers: with Applications
                in Incompressible Fluid Dynamics", 
   publisher = "Oxford University Press",
   address   = "Oxford",
   year      = "2005",
   note      = "xiv+479 pp. ISBN: 978-0-19-852868-5; 0-19-852868-X"
}

@book{esw14,
   author    = "Howard Elman and David Silvester and Andy Wathen",
   title     = "Finite Elements and Fast Iterative Solvers: with Applications
                in Incompressible Fluid Dynamics", 
   publisher = "Oxford University Press",
   address   = "Oxford, UK",
   year      = "2014",
   note      = "Second Edition"
}

@article{epsu09,
   author    = "Oliver Ernst and Catherine Powell and David Silvester and Elisabeth Ullmann",
   title     = "Efficient solvers for a linear stochastic {G}alerkin mixed formulation
                of diffusion problems with random data",
   journal   = "SIAM J. Sci. Comput.",
   volume    = "31",
   pages     = "1424--1447",
   year      = "2009",
   url     = "{\tt http://dx.doi.org/10.1137/070705817}"
}


@article{frsw98,
   author    = "Bernd Fischer and Alison Ramage and David Silvester and Andrew Wathen",
   title     = "Minimum residual methods for augmented systems",
   journal   = "BIT",
   volume    = "38",
   pages     = "527--543",
   year      = "1998",
   url     = "{\tt http://dx.doi.org/10.1007/bf02510258}"
}


@article{frsw99,
   author    = "Bernd Fischer and Alison Ramage and David Silvester and Andrew Wathen",
   title     = "On parameter choice and iterative convergence for stabilised 
                discretisations of advection-diffusion problems",
   journal   = "Comput. Methods Appl. Mech. Engrg.",
   volume    = "179",
   pages     = "185--202",
   year      = "1999",
   url      = "{\tt http://dx.doi.org/10.1016/S0045-7825(99)00037-7}"
}


@book{gds15,
   author    = "David F. Griffiths and John W. Dold and David J. Silvester",
   title     = "Essential Partial Differential Equations", 
   publisher = "Springer",
   address   = "Heidelberg, Germany",
   year      = "2015",
   note      = "xi+368 pp. ISBN: 978-3-319-22568-5"
}


@incollection{gsw96,
   author    = "Gene Golub and David Silvester and Andrew Wathen",
   title     = "Diagonal dominance and positive definiteness of upwind
                approximations for advection diffusion problems",
   editor    = "David Griffiths  and  Alastair G. Watson",
   booktitle = "Numerical Analysis: A.R. Mitchell 75th Birthday Volume",
   publisher = "World Scientific",
   pages     = "125--131",
   year      = "1996"
}

@article{ggs08,
   author    = "Philip Gresho and David Griffiths and David Silvester",
   title     = "Adaptive time-stepping for incompressible flow;
                part {I}:  scalar advection-diffusion",
   journal   = "SIAM J. Sci. Comput.",
   volume    = "30",
   pages     = "2018--2054",
   year      = "2008",
   url      = "{\tt http://dx.doi.org/10.1137/070688018}"
}

@techreport{gs94,
   author      = "David Griffiths and David  Silvester",
   title       = "Unstable modes of the Q1--P0 element",
   institution = "MIMS",
   number      = "2011.44",
   note        = "{\tt http://eprints.ma.man.ac.uk/1628/}",
   year        = "2011"
}


@article{hsc96,
   author    = "Richard Hanby and David Silvester and John Chew",
   title     = "A comparison of coupled and segregated iterative solution 
                techniques for incompressible swirling flow", 
   journal   = "Int. J. Numer. Meth.  Fluids", 
   volume    = "22", 
   pages     = "353--373", 
   year      = "1996"
}  


@misc{hsl,
  title = "The {HSL} Mathematical Software Library",
  note  = "{\tt http://www.hsl.rl.ac.uk/}",
  year  = "2013"
}

@article{hslcode,
   author    = "Jonathan Boyle and Milan Mihajlovi\'{c} and Jennifer Scott",
   title     = "{HSL\_MI20}: an efficient {AMG} preconditioner for finite element 
                problems in {3D}",
   journal   =  "Int. J. Numer. Meth. Engng.",
   volume    = "82",
   pages     = "64--98",
   year      = "2010"
}


@misc{ifiss,
    author = "David Silvester and Howard Elman and Alison Ramage",
    title = "Incompressible Flow and Iterative Solver Software (IFISS), version 3.6",
    month = "February",
    year  = "2019",
    note  = "{\tt http://www.manchester.ac.uk/ifiss/}"
}


@article{ks99,
   author    = "David Kay and David Silvester",
   title     = "A posteriori error estimation for stabilized mixed
                approximations of the {S}tokes equations",
   journal   = "SIAM J. Sci. Comput.",
   volume    = "21",
   pages     = "1321--1336",
   year      = "1999",
   url      = "{\tt http://dx.doi.org/10.1137/S1064827598333715}"
}


@article{ks01,
   author    = "David Kay and David Silvester",
   title     = "The reliability of local error estimators for 
                convection-diffusion equations",
   journal   = "IMA J. Numer. Anal.",
   volume    = "21",
   pages     = "107--122",
   year      = "2001",
    url     = "{\tt http://dx.doi.org/10.1093/imanum/21.1.107}"
}


@article{kggs10,
   author    = "David Kay and Philip Gresho and David Griffiths and David Silvester",
   title     = "Adaptive time-stepping for incompressible flow; part {II}:  
                {N}avier--{S}tokes equations",
   journal   = "SIAM J. Sci. Comput.",
   volume    = "32",
   pages     = "111--128",
   year      = "2010",
   url     = "{\tt http://dx.doi.org/10.1137/080728032}"
}

@article{kps19a,
   author    = "Arbaz Khan and Catherine Powell and David Silvester",
   title     = "Robust preconditioning for stochastic {G}alerkin formulations of 
parameter-dependent nearly incompressible linear elasticity equation",
   journal   = "SIAM J. Sci. Comput.",
   volume    = "41",
   pages     = "A402--A421",
   year      = "2019",
   url     = "{\tt  https://doi.org/10.1137/18M117385X}"
}

@article{kps19b,
   author    = "Arbaz Khan and Catherine Powell and David Silvester",
   title     = "Robust  a posteriori error estimators for mixed approximation of nearly
 incompressible elasticity",
   journal   = "Int. J. Numer. Meth. Engng.",
   volume    = "119",
   pages     = " 1--20",
   year      = "2019",
   url     = "{\tt  https://doi.org/10.1002/nme.6040}"
}


@article{ks92,
   author    = "Nasserdine Kechkar and David Silvester",
   title     = "Analysis of locally stabilized mixed finite element
                methods for the {S}tokes problem",
   journal   = "Math. Comput.",
   volume    = "58",
   pages     = "1--10",
   year      = "1992",
   url      = "{\tt http://dx.doi.org/10.2307/2153016}"
}


@article{ls12,
   author    = "Qifeng Liao and David Silvester",
   title     = "A simple yet effective a posteriori error estimator for classical mixed 
                approximation of  {S}tokes equations",
   journal   = "Appl. Numer. Math.",
   volume    = "62",
   pages     = "1242--1256",
   year      = "2012",
   url     = "{\tt http://dx.doi.org/10.1016/j.apnum.2010.05.003}"
}
 

@article{ls13a,
author = {Qifeng Liao and David Silvester}, 
title = {Robust stabilized {S}tokes approximation methods for highly stretched grids},
volume = {33}, 
number = {2}, 
pages = {413-431}, 
year = {2013}, 
url = {\tt http://dx.doi.org/10.1093/imanum/drs012}, 
journal = {IMA Journal of Numerical Analysis} 
}

@article{ls13b,
   author    = "Qifeng Liao and David Silvester",
   title     = "Implicit solvers using stabilized mixed approximation", 
   journal   = "Int. J. Numer. Meth.  Fluids", 
   volume    = "33", 
   pages     = "413--431", 
   year      = "2013",
   url     = "{\tt http://dx.doi.org/10.1002/fld.3697}"
}

@article{ms04,
   author    = "Milan Mihajlovi{\' c} and David Silvester",
   title     = "Efficient parallel solvers for the biharmonic equation",
   journal   = "Parallel Computing",
   volume    = "30",
   pages     = "35--55",
   year      = "2004",
   url      = "{\tt http://dx.doi.org/10.1016/j.parco.2003.07.002}"
}

@article{ns98,
   author    = "Sean Norburn and David Silvester",
   title     = "Stable vs. stabilised mixed methods for incompressible flow",
   journal   = "Comput. Methods Appl. Mech. Engrg",
   volume    = "166",
   pages     = "131--141",
   year      = "1998",
   url      = "{\tt http://dx.doi.org/10.1016/S0045-7825(98)00087-5}"
}


@article{ns01,
   author    = "Sean Norburn and David Silvester",
   title     = "Fourier analysis of stabilised ${Q}_1$--${Q}_1$ mixed finite element 
                approximation",
   journal   = "SIAM J. Numer. Anal.",
   volume    = "39",
   pages     = "817--833",
   year      = "2001",
   url      = "{\tt http://dx.doi.org/10.1137/S0036142999362274}"
}

@misc{pifiss,
  author = "David  Silvester and Catherine Powell",
  title = "Potential Incompressible Flow and Iterative Solver Software (PIFISS)",
  month = "February",
  year  = "2007",
  note  = "available online at {\tt http://www.manchester.ac.uk/ifiss/pifiss}"
}

@techreport{pifiss-guide,
   author      = "David Silvester and Catherine Powell",
   title       = "Potential (Incompressible) Flow and Iterative Solution 
                  Software Guide (PIFISS) version 1.0",
   institution = "MIMS",
   number      = "2007.14",
   note        = "{\tt http://eprints.ma.man.ac.uk/700/}",
   year        = "2007"
}


@article{pps18,
   author    = "John Pearson and Jennifer Pestana and David Silvester",
   title     = "Refined saddle-point preconditioners for discretized {S}tokes problems",
   journal   = "Numer. Math.",
   volume    = "138",
   pages     = "331--363",
   year      = "2018",
    url    = "{\tt https://doi.org/10.1007/s00211-017-0908-4}"
}


@misc{primer,
  author = "David Silvester",
  title = "A Finite Element Primer: version 1.3",
  note  = "available online at {\tt http://www.maths.manchester.ac.uk/djs/primer.pdf}",
  year  = "October, 2012"
}


@incollection{ps02,
   author    = "Catherine Powell and David Silvester",
   title     = "Black-box preconditioning for mixed formulation of self-adjoint 
                elliptic PDEs",
   editor    = "Eberhard B{\" a}nsch",
   booktitle = "Challenges in Scientific Computing---CISC 2002",
   publisher = "Springer Lecture Notes in Computational Science and Engineering",
   address   = "Berlin",
   volume    = "35",
   pages     = "268--285",
   year      = "2003"
}

@article{ps04,
   author    = "Catherine Powell and David Silvester",
   title     = "Optimal  preconditioning for {R}aviart--{T}homas mixed formulation of
                second-order elliptic problems",
   journal   = "SIAM J. Matrix Anal.  Appl.",
   volume    = "25",
   pages     = "718--738",
   year      = "2004",
   url     = "{\tt http://dx.doi.org/10.1137/S0895479802404428}"
}


@article{ps12,
   author    = "Catherine Powell and David Silvester",
   title     = "Preconditioning steady-state {N}avier--{S}tokes equations with random data",
   journal   = "SIAM J. Sci. Comput.",
   volume    = "34",
   pages     = "A2482--A2506",
   year      = "2012",
    url    = "{\tt http://dx.doi.org/10.1137/120870578}"
}


@article{ps19,
   author    = "Pranjal and David Silvester",
   title     = "Balanced iterative solvers for linear nonsymmetric systems and nonlinear systems
with {PDE} origins: efficient black-box stopping criteria",
   journal   = "J. Sci. Comput.",
   volume    = "81",
   pages     = "271--290",
   year      = "2019",
    url    = "{\tt https://doi.org//10.1007/s10915-019-01018-w}"
}

@article{pss16,
   author    = "Catherine Powell and David Silvester and Valeria Simoncini",
   title     = "An efficient reduced basis solver for stochastic {G}alerkin matrix equations",
   journal   = "SIAM J. Sci. Comput.",
   volume    = "39",
   pages     = "A141--A163",
   year      = "2017",
   url     = "{\tt  https://doi.org/10.1137/15M1032399}"
}

@misc{rpdes,
  title = "Analysis of Numerical Methods for PDEs with Random Data",
  note = "{\tt https://personalpages.manchester.ac.uk/staff/david.silvester/rpdes.html}",
  year = "2019"
}

@article{s88,
   author    = "David Silvester",
   title     = "Optimising finite element matrix calculations using the general technique of 
                element vectorisation",
   journal   = "Parallel Computing",
   volume    = "6",
   pages     = "157--164",
   year      = "1988",
   url      = "{\tt http://dx.doi.org/10.1016/0167-8191(88)90081-6}"
}


@article{s94,
   author    = "David Silvester",
   title     = "Optimal low order finite element methods for incompressible flow",
   journal   = "Comput. Methods Appl. Mech. Engrg",
   volume    = "111",
   pages     = "357--368",
   year      = "1994",
   url      = "{\tt http://dx.doi.org/10.1016/0045-7825(94)90139-2}"
}


@incollection{s15p,
  author = "David J.  Silvester",
  title = "Preconditioning",
  editor = "Bj{\"o}rn Engquist",
  booktitle = "Encyclopedia of Applied and Computational Mathematics",
  publisher = "Springer",
  address =   "Berlin",
  pages = "1170--1173",
  year = "2015",
  doi = "10.1007/978-3-540-70529-1",
  created = "2015.12.02",
  updated = "2015.12.02"
}


@article{sbp12,
   author    = "David Silvester and Alexey Bespalov and Catherine Powell",
   title     = "A framework for the development of implicit solvers for incompressible 
                flow problems",
   journal   = "Discrete and Continuous Dynamical Systems---Series S",
   volume    = "5",
   pages     = "1195--1221",
   year      = "2012",
   url    = "{\tt http://dx.doi.org/10.3934/dcdss.2012.5.1195}"
}



@article{sekw01,
   author    = "David Silvester and Howard Elman and David Kay and Andrew Wathen",
   title     = "Efficient preconditioning of the linearised {N}avier--{S}tokes equations 
                for incompressible flow",
   journal   = "J. Comp. Appl. Math.",
   volume    = "128",
   pages     = "261--279",
   year      = "2001",
   url      = "{\tt http://dx.doi.org/10.1016/S0377-0427(00)00515-X}"
}



@misc{sifiss,
  author   = "Alex Bespalov and Catherine Powell and David  Silvester",
  title    = "Stochastic IFISS (S-IFISS) version 1.04",
  month    = "October",
  year     = "2017",
  note     = "available online at {\tt http://www.manchester.ac.uk/ifiss/s-ifiss1.0.tar.gz}"
}


@misc{sifiss-guide,
  author   = "David  Silvester and Azra Tanweer",
  title    = "Stochastic IFISS (S-IFISS) software guide",
  note     = "available online at {\tt http://www.manchester.ac.uk/ifiss/SIFISSguide.pdf}",
  year     = "September, 2016"
}

@article{sk90,
   author    = "David Silvester and Nasserdine Kechkar",
   title     = "Stabilised  bilinear--constant velocity--pressure finite elements for the 
                conjugate gradient solution of the Stokes problem",
   journal   = "Comput. Methods Appl. Mech. Engrg",
   volume    = "79",
   pages     = "71--86",
   year      = "1990",
   note      = "{\tt  http://dx.doi.org/10.1016/0045-7825(90)90095-4}"
}


@article{sm04,
   author    = "David Silvester and Milan Mihajlovi{\' c}",
   title     = "A black-box multigrid preconditioner for the biharmonic equation",
   journal   = "BIT",
   volume    = "44",
   pages     = "151--163",
   year      = "2004"
}

@article{sp16,
   author    = "David Silvester and Pranjal",
   title     = "An optimal solver for linear systems arising from stochastic {FEM} 
                approximation of  diffusion equations with random coefficients",
   journal   = "SIAM/ASA J. Uncertainty Quantification",
   volume    = "4",
   pages     = "298--311",
   year      = "2016",
   url    = "{\tt http://dx.doi.org//10.1137/15M1017740}"
}


@article{ss97,
   author    = "Anthony Smith and David Silvester",
   title     = "Implicit algorithms and their linearisation for the 
                transient {N}avier--{S}tokes equations",
   journal   = "IMA J. Numer. Anal.",
   volume    = "17",
   pages     = "527--545",
   year      = "1997",
   url     = "{\tt http://dx.doi.org/10.1093/imanum/17.4.527}"
}


@article{ss03,
   author    = "Syamsudhuha and David Silvester",
   title     = "Efficient solution of the steady-state {N}avier--{S}tokes equations
                 using a multigrid preconditioned {N}ewton--{K}rylov method", 
   journal   = "Int. J. Numer. Methods  Fluids", 
   volume    = "43", 
   pages     = "1407--1427", 
   year      = "2003",
   url     = "{\tt http://dx.doi.org/10.1002/fld.627}"
}  

@article{ss11,
   author    = "David Silvester and Valeria Simoncini",
   title     = "An optimal iterative solver for symmetric indefinite
                systems stemming from mixed approximation",
   journal   = "ACM Trans. Math. Softw.",
   volume    = " 37",
    number   = "4",
   year      = "2011",
   url      = "{\tt http://dx.doi.org/10.1145/1916461.1916466}"
}

@article{ssm13,
   author    = "Chris Smethurst and David Silvester and Milan Mihajlovi{\' c}",
   title     = "Unstructured finite element method for the solution of the
                {B}oussinesq problem in three dimensions",
   journal   = "Int. J. Numer. Methods  Fluids",
   volume    = "73",
   pages     = "791--812",
   year      = "2013",
  url      = "{\tt http://dx.doi.org/10.1002/fld.3823}"
}


@article{st86,
   author    = "David Silvester and Ron Thatcher",
   title     = "The effect of the stability of mixed finite element approximations on the
                accuracy and rate of convergence of solution when solving incompressible 
                flow problems", 
   journal   = "Int. J. Numer. Methods  Fluids", 
   volume    = "6", 
   pages     = "841--853", 
   year      = "1986",
   url      = "{\tt http://dx.doi.org/10.1002/fld.1650061106}"
}  



@article{std84,
   author    = "David Silvester and Ron Thatcher and John Duthie",
   title     = "The specification and numerical solution of a benchmark swirling laminar
                flow problem", 
   journal   = "Comput. Fluids", 
   volume    = "12", 
   pages     = "281--292", 
   year      = "1984",
   url     = "{\tt http://dx.doi.org/10.1016/0045-7930(84)90010-0}"
}  



@article{sw94,
   author    = "David Silvester and Andrew Wathen",
   title     = "Fast iterative solution of stabilised {S}tokes 
                   systems. Part {II}: Using general block preconditioners",
   journal   = "SIAM J. Numer. Anal.",
   volume    = "31",
   pages     = "1352--1367",
   year      = "1994",
   url      = "{\tt http://dx.doi.org/10.1137/0731070}"
}


@incollection{sw96,
   author    = "David Silvester and Andrew Wathen",
   title     = "Fast \& robust solvers for time-discretised incompressible {N}avier--{S}tokes  
                equations",
   editor    = "David Griffiths  and  Alastair G. Watson",
   booktitle = "Numerical Analysis 1995",
   publisher = "Longman Scientific",
   pages     = "154--168",
   year      = "1996"
}

@article{ws93,
   author    = "Andrew Wathen and David Silvester",
   title     = "Fast iterative solution of stabilised Stokes systems. 
                Part {I}: Using simple diagonal preconditioners",
   journal   = "SIAM J. Numer. Anal.",
   volume    = "30",
   pages     = "630--649",
   year      = "1993",
   url      = "{\tt http://dx.doi.org/10.1137/0730031}"
}


@misc{tifiss,
author = "David Silvester and Alex Bespalov and Qifeng Liao and Leonardo Rocchi",
title = "{Triangular} {IFISS} ({TIFISS}), version 1.2",
month = "December",
year = "2018",
note = "{\tt http://www.manchester.ac.uk/ifiss/tifiss.html}" 
}


@article{wfs95,
   author    = "Andrew Wathen and Bernd  Fischer and David Silvester",
   title     = "The convergence rate of the minimal residual method for the {S}tokes problem",
   journal   = "Numer. Math.",
   volume    = "71",
   pages     = "121--134",
   year      = "1995",
   url      = "{\tt http://dx.doi.org/10.1007/s002110050138}"
}


@incollection{wfs98,
   author    = "Andrew Wathen and Bernd  Fischer and David Silvester",
   title     = "The convergence of iterative solution methods for symmetric and
                   indefinite systems",
   editor    = "David Griffiths  and Desmond Higham and  Alastair G. Watson",
   booktitle = "Numerical Analysis 1997",
   publisher = "Longman Scientific",
   pages     = "230--240",
   year      = "1998"
}