TY  - JOUR
AU  - Sh. A. Alimov
AU  - S. A. Safaev
TI  - On the number of negative eigenvalues of the Schr\"odinger operator
JO  - Differencialʹnye uravneniâ
PY  - 1993
SP  - 1818
EP  - 1821
VL  - 29
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1993_29_10_a16/
LA  - ru
ID  - DE_1993_29_10_a16
ER  -