TY  - JOUR
AU  - E. D. Nursultanov
TI  - Certain properties of the roots of a weakly hyperbolic operator pencil
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1989
SP  - 78
EP  - 79
VL  - 23
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1989_23_1_a15/
LA  - ru
ID  - FAA_1989_23_1_a15
ER  -