TY  - JOUR
AU  - R. K. Vasil'ev
TI  - The order of approximation to functions on sets by polynomial operators in the class $S_m$
JO  - Matematičeskie zametki
PY  - 1976
SP  - 409
EP  - 416
VL  - 20
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1976_20_3_a12/
LA  - ru
ID  - MZM_1976_20_3_a12
ER  -