%0 Journal Article %A B. A. Shcherbakov %T Lyapunov stable classes of dynamic systems of perturbed motions %J Differencialʹnye uravneniâ %D 1981 %P 2195-2200 %V 17 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1981_17_12_a8/ %G ru %F DE_1981_17_12_a8