TY  - JOUR
AU  - P. L. Krupkin
TI  - On the spectrum of a pencil of compact operators
JO  - Differencialʹnye uravneniâ
PY  - 1991
SP  - 1829
EP  - 1830
VL  - 27
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1991_27_10_a26/
LA  - ru
ID  - DE_1991_27_10_a26
ER  -