TY  - JOUR
AU  - M. G. Gasymov
AU  - A. M. Magerramov
TI  - Investigation of a class of differential operator pencils of even order
JO  - Doklady Akademii Nauk
PY  - 1982
SP  - 277
EP  - 280
VL  - 265
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1982_265_2_a3/
LA  - ru
ID  - DAN_1982_265_2_a3
ER  -