%0 Journal Article %A O. V. Besov %T Estimate of the approximation of periodic functions by Fourier series %J Matematičeskie zametki %D 2006 %P 784-787 %V 79 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2006_79_5_a15/ %G ru %F MZM_2006_79_5_a15