%0 Journal Article %A V. K. Polivenko %A M. P. Grigor'ev %A I. G. Egorov %T The global stability of the zero solution of a system of two differential equations %J Differencialʹnye uravneniâ %D 1977 %P 1606-1614 %V 13 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1977_13_9_a6/ %G ru %F DE_1977_13_9_a6