TY  - JOUR
AU  - A. G. Kostyuchenko
AU  - A. A. Shkalikov
TI  - On the theory of selfadjoint quadratic operator pencils
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1983
SP  - 40
EP  - 51
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1983_6_a4/
LA  - ru
ID  - VMUMM_1983_6_a4
ER  -