TY  - JOUR
AU  - S. B. Vakarchuk
TI  - Exact Values of Widths of Classes of Analytic Functions on the Disk and Best Linear Approximation Methods
JO  - Matematičeskie zametki
PY  - 2002
SP  - 665
EP  - 669
VL  - 72
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2002_72_5_a3/
LA  - ru
ID  - MZM_2002_72_5_a3
ER  -