%0 Journal Article %A M. V. Fedoryuk %T The Sturm–Liouville problem with regular singular points. II %J Differencialʹnye uravneniâ %D 1983 %P 278-286 %V 19 %N 2 %U http://geodesic.mathdoc.fr/item/DE_1983_19_2_a8/ %G ru %F DE_1983_19_2_a8