%0 Journal Article %A S. N. Nikitina %T On solutions for a certain class of systems of differential equations %J Differencialʹnye uravneniâ %D 1978 %P 374-375 %V 14 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1978_14_2_a23/ %G ru %F DE_1978_14_2_a23