TY  - JOUR
AU  - D. F. Kharazov
TI  - The estimates of eigenvalues of certain operators with a discrete spectrum
JO  - Differencialʹnye uravneniâ
PY  - 1965
SP  - 1054
EP  - 1069
VL  - 1
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1965_1_8_a5/
LA  - ru
ID  - DE_1965_1_8_a5
ER  -