%0 Journal Article
%A M. Otelbaev
%T Letter to the editors: “A criterion for discreteness of the spectrum for a degenerate operator, and certain imbedding theorems” (Differencial'nye Uravnenija 13 (1977), no. 1, 111–120)
%J Differencialʹnye uravneniâ
%D 1977
%P 2288
%V 13
%N 12
%U http://geodesic.mathdoc.fr/item/DE_1977_13_12_a21/
%G ru
%F DE_1977_13_12_a21