TY  - JOUR
AU  - M. Otelbaev
TI  - A criterion for discreteness of the spectrum for a certain degenerate operator, and certain imbedding theorems
JO  - Differencialʹnye uravneniâ
PY  - 1977
SP  - 111
EP  - 120
VL  - 13
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1977_13_1_a15/
LA  - ru
ID  - DE_1977_13_1_a15
ER  -