TY  - JOUR
AU  - V. A. Trenogin
TI  - Perturbation of the eigenvalues and eigenelements of linear operators
JO  - Doklady Akademii Nauk
PY  - 1966
SP  - 519
EP  - 522
VL  - 167
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1966_167_3_a7/
LA  - ru
ID  - DAN_1966_167_3_a7
ER  -