%0 Journal Article %A I. A. Toroshelidze %T The asymptotic behavior of solutions of certain nonlinear differential equations %J Differencialʹnye uravneniâ %D 1967 %P 926-940 %V 3 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1967_3_6_a6/ %G ru %F DE_1967_3_6_a6