TY  - JOUR
AU  - V. A. Baskakov
TI  - On conditions for and the order of approximation of functions by operators of class $S_{2m}$
JO  - Matematičeskie zametki
PY  - 2000
SP  - 654
EP  - 661
VL  - 67
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2000_67_5_a1/
LA  - ru
ID  - MZM_2000_67_5_a1
ER  -