@InProceedings{Witczak:2006,
  author      = "M. Witczak and P. PrÍtki and J. Korbicz and V. Puig",
  title       = "Design of an extended unknown input observer",
  booktitle   = "IAR Annual Meeting 2006 and Workshop on Advanced Control Diagnosis",
  address     = "Nancy, Francja",
  publisher   = "Nancy, [brak wydawcy]",
  pages       = "[6] CD-ROM",
  year        = "2006",
}