%0 Journal Article %A M. M. Khapaev %T A generalization of Lyapunov's second method and an investigation of the stability of applied problems %J Differencialʹnye uravneniâ %D 1985 %P 1730-1733 %V 21 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1985_21_10_a13/ %G ru %F DE_1985_21_10_a13