TY  - JOUR
AU  - V. V. Zhuk
TI  - Estimates of best approximations of periodic function by linear combinations values of the function itself and its primitives
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 2012
SP  - 157
EP  - 174
VL  - 404
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_2012_404_a8/
LA  - ru
ID  - ZNSL_2012_404_a8
ER  -