%0 Journal Article %A I. Ya. Viner %T A study of certain functional-differential equations with a regular singular point %J Differencialʹnye uravneniâ %D 1974 %P 1891-1893 %V 10 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1974_10_10_a16/ %G ru %F DE_1974_10_10_a16