TY  - JOUR
AU  - V. I. Feigin
TI  - Decrease of the lengths of the gaps in the spectrum of polynomial pencils
JO  - Matematičeskie zametki
PY  - 1983
SP  - 549
EP  - 557
VL  - 34
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1983_34_4_a6/
LA  - ru
ID  - MZM_1983_34_4_a6
ER  -