%0 Journal Article %A N’Doye, I. %A Darouach, M. %A Voos, H. %A Zasadzinski, M. %T Design of unknown input fractional-order observers for fractional-order systems %J International Journal of Applied Mathematics and Computer Science %D 2013 %P 491-500 %V 23 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IJAMCS_2013_23_3_a0/ %G en %F IJAMCS_2013_23_3_a0