TY  - JOUR
AU  - D. L. Berman
TI  - Certain extremal problems of the theory of polynomial operators
JO  - Doklady Akademii Nauk
PY  - 1965
SP  - 999
EP  - 1002
VL  - 161
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1965_161_5_a0/
LA  - ru
ID  - DAN_1965_161_5_a0
ER  -