@Inproceedings{nigercon-17_Abara-Lanzon,
 author       = "Abara, D. N. and Lanzon, A.",
 title        = "{$H_\infty$-PID} controller for an open-loop unstable system",
 booktitle    = "Proceedings of the 2017 {IEEE} 3rd International Conference on Electro-Technology for National Development ({IEEE NIGERCON})",
 address      = "Owerri, Nigeria",
 pages        = "134-138",
 doi          = "10.1109/NIGERCON.2017.8281886",
 month        = nov,
 year         = 2017}