%0 Journal Article %A A. G. Katranov %T On the question of the asymptotic behavior of oscillatory solutions of a second order nonlinear differential equation %J Differencialʹnye uravneniâ %D 1972 %P 785-789 %V 8 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1972_8_5_a5/ %G ru %F DE_1972_8_5_a5