@article{Korbicz:2009,
author
=
"J.Korbicz and M.Witczak and V.Puig",
title
=
"LMI-based strategies for designing observers and unknown input observers for non-linear discrete-time systems",
journal
=
"Bulletin of the Polish Academy of Sciences: Technical Sciences",
volume
=
"Vol. 55",
number
=
"no 1",
pages
=
"31--42",
year
=
"2007",
}