TY  - JOUR
AU  - Sun Yong-sheng
TI  - On the best approximation of classes of functions representable in the convolution form
JO  - Doklady Akademii Nauk
PY  - 1958
SP  - 247
EP  - 250
VL  - 118
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1958_118_2_a10/
LA  - ru
ID  - DAN_1958_118_2_a10
ER  -