%0 Journal Article %A K. Kh. Boimatov %T Asymptotics of the spectrum of an elliptic differential operator in the degenerate case %J Doklady Akademii Nauk %D 1978 %P 1369-1372 %V 243 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_243_6_a4/ %G ru %F DAN_1978_243_6_a4