TY  - JOUR
AU  - G. V. Radzievskii
TI  - Completeness of root vectors of a Keldysh pencil perturbed by an analytic operator-valued function $S(\lambda)$ with $S(\infty)=0$
JO  - Matematičeskie zametki
PY  - 1977
SP  - 391
EP  - 398
VL  - 21
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1977_21_3_a10/
LA  - ru
ID  - MZM_1977_21_3_a10
ER  -