TY  - JOUR
AU  - M. Sh. Shabozov
TI  - Widths of Classes of Periodic Differentiable Functions in the Space~$L_{2}[0,2\pi]$
JO  - Matematičeskie zametki
PY  - 2010
SP  - 616
EP  - 623
VL  - 87
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2010_87_4_a12/
LA  - ru
ID  - MZM_2010_87_4_a12
ER  -