%0 Journal Article %A N. V. Medvedev %T Sufficient conditions for the existence of bounded solutions of a system of differential equations %J Differencialʹnye uravneniâ %D 1967 %P 1088-1094 %V 3 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1967_3_7_a6/ %G ru %F DE_1967_3_7_a6