%0 Journal Article %A M. S. Izman %T An application of Ljapunov's second method for the investigation of stability and asymptotic stability of sets in dispersive dynamical systems. %J Differencialʹnye uravneniâ %D 1969 %P 1207-1217 %V 5 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1969_5_7_a5/ %G ru %F DE_1969_5_7_a5