TY  - JOUR
AU  - V. N. Temlyakov
TI  - Approximation of functions with a~bounded mixed difference by trigonometric polynomials, and the widths of some classes of functions
JO  - Izvestiya. Mathematics 
PY  - 1983
SP  - 173
EP  - 187
VL  - 20
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1983_20_1_a10/
LA  - en
ID  - IM2_1983_20_1_a10
ER  -