TY  - JOUR
AU  - N. A. Il'yasov
TI  - The direct theorem of the theory of approximation of periodic functions with monotone Fourier coefficients in different metrics
JO  - Trudy Instituta matematiki i mehaniki
PY  - 2017
SP  - 144
EP  - 158
VL  - 23
IS  - 3
UR  - http://geodesic.mathdoc.fr/item/TIMM_2017_23_3_a12/
LA  - ru
ID  - TIMM_2017_23_3_a12
ER  -