%0 Journal Article %A R. I. Kozlov %A V. M. Matrosov %T Derivation of theorems on dynamic properties with vector-valued Ljapunov functions for differential equations with perturbations %J Doklady Akademii Nauk %D 1980 %P 521-525 %V 255 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_255_3_a0/ %G ru %F DAN_1980_255_3_a0