%0 Journal Article %A G. S. Krechetov %T Stability of the trivial solution of a non-autonomous system of two differential equations %J Differencialʹnye uravneniâ %D 1967 %P 232-243 %V 3 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1967_3_2_a6/ %G ru %F DE_1967_3_2_a6