TY  - JOUR
AU  - A. M. Gomilko
AU  - G. V. Radzievskii
TI  - On the numerical ranges of a family of commuting operators
JO  - Matematičeskie zametki
PY  - 1997
SP  - 787
EP  - 791
VL  - 62
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1997_62_5_a15/
LA  - ru
ID  - MZM_1997_62_5_a15
ER  -