TY  - JOUR
AU  - N. A. Sidorov
TI  - The calculation of eigenvalues and -vectors of linear operators on the basis of the theory of perturbations
JO  - Differencialʹnye uravneniâ
PY  - 1978
SP  - 1522
EP  - 1525
VL  - 14
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1978_14_8_a25/
LA  - ru
ID  - DE_1978_14_8_a25
ER  -