author  = "M. Witczak and V. Puig and D. Rotondo and M. de Rozprza - Faygel and M. Mrugalski",
  title       = "A robust H-infinity observer design for unknown input nonlinear systems: applization to fault estimation",
  booktitle   = "23rd Mediterranean Conference on Control and Automation (MED) : proceedings; ISBN: 9781479999361",
  address     = "Torremolinos, Hiszpania",
  publisher   = "New York, IEEE",
  pages       = "162--167",
  organization = "Mediterranean Control Assoc; Univ Malaga; Inst Elect & Elect Engineers; IEEE Control Syst Soc; IEEE Robot & Automat Soc; IFAC, Comite Espanol Automatica; Departmento Ingn Sistemas & Automatica",
  editor      = "J. L. Martinez, VMunoz, J. Quevedo et. al",
  year        = "2015",