TY  - JOUR
AU  - M. Rakhimov
TI  - Exact bounds on a closed interval for eigen- and associated functions of a quadratic pencil of second-order ordinary nonselfadjoint differential operators
JO  - Differencialʹnye uravneniâ
PY  - 1986
SP  - 1374
EP  - 1386
VL  - 22
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1986_22_8_a8/
LA  - ru
ID  - DE_1986_22_8_a8
ER  -