TY  - JOUR
AU  - M. Ya. Zinger
TI  - Extremal estimates for the derivatives of a trigonometric polynomial normalized on an interval shorter than a period
JO  - Doklady Akademii Nauk
PY  - 1974
SP  - 975
EP  - 978
VL  - 216
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1974_216_5_a4/
LA  - ru
ID  - DAN_1974_216_5_a4
ER  -