%0 Journal Article %A I. V. Kamenev %T A remark on the existence of an unbounded solution of a second order linear equation %J Differencialʹnye uravneniâ %D 1971 %P 2275 %V 7 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1971_7_12_a19/ %G ru %F DE_1971_7_12_a19