TY  - JOUR
AU  - S. B. Stechkin
TI  - The approximation of periodic functions by Fej\'er sums
JO  - Informatics and Automation
PY  - 1961
SP  - 48
EP  - 60
VL  - 62
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1961_62_a1/
LA  - ru
ID  - TRSPY_1961_62_a1
ER  -