TY  - JOUR
AU  - N. A. Shirokov
TI  - A note about approximation by trigonometric polynomials
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 2018
SP  - 238
EP  - 243
VL  - 467
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_2018_467_a18/
LA  - ru
ID  - ZNSL_2018_467_a18
ER  -