@Inproceedings{ifac-03_Lanzon-Anderson-Bombois,
 author       = "Lanzon, A. and Anderson, B. D. O. and Bombois, X.",
 title        = "On uniqueness of central {$\mathscr{H}_{\infty}$} controllers in the chain-scattering framework",
 booktitle    = "Proceedings of the 4th {IFAC} Symposium on Robust Control Design",
 address      = "Milan, Italy",
 month        = jun,
 year         = 2003}