TY  - JOUR
AU  - V. A. Sloushch
TI  - Discrete spectrum in the spectral gaps of a~selfadjoint operator for unbounded perturbations
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1997
SP  - 237
EP  - 241
VL  - 247
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1997_247_a14/
LA  - ru
ID  - ZNSL_1997_247_a14
ER  -