%0 Journal Article %A B. P. Demidovich %T The orbital stability of bounded solutions of an autonomous system. I, II %J Differencialʹnye uravneniâ %D 1968 %P 1359-1373 %V 4 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1968_4_8_a0/ %G ru %F DE_1968_4_8_a0