%0 Journal Article %A T. S. Gadzhiev %T On the spectrum of some singular differential equations %J Differencialʹnye uravneniâ %D 1995 %P 1082-1083 %V 31 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1995_31_6_a18/ %G ru %F DE_1995_31_6_a18