%0 Journal Article %A Ezzine, Montassar %A Darouach, Mohamed %A Souley Ali, Harouna %A Messaoud, Hassani %T Positive unknown inputs functional observers new design for positive linear systems %J Kybernetika %D 2023 %P 791-806 %V 59 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14736/kyb-2023-6-0791/ %R 10.14736/kyb-2023-6-0791 %G en %F 10_14736_kyb_2023_6_0791