TY  - JOUR
AU  - L. N. Nikol'skaya
TI  - Criteria for stability of the point spectrum under completely continuous perturbations
JO  - Matematičeskie zametki
PY  - 1975
SP  - 601
EP  - 607
VL  - 18
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1975_18_4_a13/
LA  - ru
ID  - MZM_1975_18_4_a13
ER  -