%0 Journal Article %A N. A. Karpievich %T Some criteria for stability of motion %J Differencialʹnye uravneniâ %D 1969 %P 1605-1613 %V 5 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1969_5_9_a6/ %G ru %F DE_1969_5_9_a6