%0 Journal Article %A V. D. Ponomarev %T On the structure of some set of solutions of a second order ordinary differential equation %J Differencialʹnye uravneniâ %D 1986 %P 1089-1090 %V 22 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1986_22_6_a29/ %G ru %F DE_1986_22_6_a29