%0 Journal Article %A Hoang Hyu Dyong %T The theory of characteristic vectors and its application to the study of the asymptotic behavior of solutions of differential systems.~II %J Differencialʹnye uravneniâ %D 1967 %P 1656-1672 %V 3 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1967_3_10_a3/ %G ru %F DE_1967_3_10_a3