%0 Journal Article %A V. V. Amel'kin %A I. V. Gaishun %T Some properties of the solutions of a certain second order equation %J Differencialʹnye uravneniâ %D 1971 %P 2131-2135 %V 7 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1971_7_12_a0/ %G ru %F DE_1971_7_12_a0