%0 Journal Article %A N. T. Primachuk %T Stability of the solutions of nonlinear systems %J Differencialʹnye uravneniâ %D 1969 %P 389-392 %V 5 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1969_5_2_a19/ %G ru %F DE_1969_5_2_a19