%0 Journal Article %A O. F. Mikulina %T The eigenfunction expansion of a second order differential equation with one turning point %J Differencialʹnye uravneniâ %D 1971 %P 244-260 %V 7 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1971_7_2_a6/ %G ru %F DE_1971_7_2_a6