%0 Journal Article %A I. G. Egorov %T On the stability in the large of the zero solution of a system of two differential equations %J Differencialʹnye uravneniâ %D 1991 %P 1544-1550 %V 27 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1991_27_9_a8/ %G ru %F DE_1991_27_9_a8