%0 Journal Article %A D. L. Kudryavtsev %T On the single-valuedness of solutions of a second-order linear differential equation with regular singular points %J Differencialʹnye uravneniâ %D 1992 %P 1529-1536 %V 28 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1992_28_9_a6/ %G ru %F DE_1992_28_9_a6