TY  - JOUR
AU  - V. N. Pivnenko
TI  - Spectral theory of the operator $-\Delta u+Ku$ in an unbounded space, where $K$ is a bounded Hermitian operator
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1963
SP  - 122
EP  - 134
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1963_3_a17/
LA  - ru
ID  - IVM_1963_3_a17
ER  -