%0 Journal Article %A A. A. Larin %T Properties of the eigenfunctions of some singular elliptic operators %J Differencialʹnye uravneniâ %D 1991 %P 849-856 %V 27 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1991_27_5_a14/ %G ru %F DE_1991_27_5_a14