TY  - JOUR
AU  - A. S. Dzhafarov
TI  - On best approximation of functions in the spaces~$B$ and~$H$
JO  - Informatics and Automation
PY  - 1987
SP  - 100
EP  - 103
VL  - 180
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a55/
LA  - ru
ID  - TRSPY_1987_180_a55
ER  -