TY  - JOUR
AU  - M. G. Gimadislamov
TI  - Criteria for the discreteness of the spectrum of a hypoelliptic operator
JO  - Matematičeskie zametki
PY  - 1981
SP  - 685
EP  - 693
VL  - 30
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1981_30_5_a5/
LA  - ru
ID  - MZM_1981_30_5_a5
ER  -