TY  - JOUR
AU  - V. A. Baskakov
TI  - The order of approximation of differentiable functions by certain positive linear operators
JO  - Sbornik. Mathematics
PY  - 1968
SP  - 333
EP  - 350
VL  - 5
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1968_5_3_a1/
LA  - en
ID  - SM_1968_5_3_a1
ER  -