%0 Journal Article %A Zeheb, Ezra %T Robust stability of non linear time varying systems %J Kybernetika %D 1999 %P [415] %V 35 %N 4 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/KYB_1999__35_4_a1/ %G en %F KYB_1999__35_4_a1