TY  - JOUR
AU  - M. V. Babushkin
TI  - Estimates for the constant in a Jackson type inequality for periodic functions
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 2020
SP  - 5
EP  - 26
VL  - 491
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_2020_491_a0/
LA  - ru
ID  - ZNSL_2020_491_a0
ER  -