%0 Journal Article %A A. A. Jushchenko %T Existence of solutions of a system of differential equations on the whole line and Ljapunov functions %J Differencialʹnye uravneniâ %D 1968 %P 2015-2026 %V 4 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1968_4_11_a10/ %G ru %F DE_1968_4_11_a10