TY  - JOUR
AU  - S. B. Vakarchuk
TI  - Best linear methods of approximation and widths of classes of analytic functions in a disk
JO  - Matematičeskie zametki
PY  - 1995
SP  - 30
EP  - 39
VL  - 57
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1995_57_1_a2/
LA  - ru
ID  - MZM_1995_57_1_a2
ER  -