TY - JOUR AU - Zeheb, Ezra TI - Robust stability of non linear time varying systems JO - Kybernetika PY - 1999 SP - 415 EP - 428 VL - 35 IS - 4 UR - http://geodesic.mathdoc.fr/item/KYB_1999_35_4_a1/ LA - en ID - KYB_1999_35_4_a1 ER -