TY  - JOUR
AU  - O. L. Vinogradov
TI  - The sharp constant in Jackson-type inequality for approximation by linear positive operators
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1998
SP  - 36
EP  - 53
VL  - 255
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1998_255_a2/
LA  - ru
ID  - ZNSL_1998_255_a2
ER  -