TY  - JOUR
AU  - R. K. Vasil'ev
TI  - On the order of an~approximation of functions on sets of positive measure by linear positive polynomial operators
JO  - Matematičeskie zametki
PY  - 1973
SP  - 457
EP  - 468
VL  - 13
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1973_13_3_a16/
LA  - ru
ID  - MZM_1973_13_3_a16
ER  -