%0 Journal Article %A N. B. Kerimov %T Some properties of eigen- and associated functions of ordinary %J Doklady Akademii Nauk %D 1986 %P 1054-1056 %V 291 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_291_5_a6/ %G ru %F DAN_1986_291_5_a6