TY  - JOUR
AU  - N. S. Nikol'skaya
TI  - Approximation of differentiable functions of several variables by Fourier sums in the $L_p$ metric
JO  - Doklady Akademii Nauk
PY  - 1973
SP  - 1282
EP  - 1285
VL  - 208
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1973_208_6_a5/
LA  - ru
ID  - DAN_1973_208_6_a5
ER  -