TY - JOUR AU - R. I. Kozlov AU - V. M. Matrosov TI - Derivation of theorems on dynamic properties with vector-valued Ljapunov functions for differential equations with perturbations JO - Doklady Akademii Nauk PY - 1980 SP - 521 EP - 525 VL - 255 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1980_255_3_a0/ LA - ru ID - DAN_1980_255_3_a0 ER -