%0 Journal Article %A M. I. Dyachenko %A A. B. Mukanov %A S. Yu. Tikhonov %T Smoothness of functions and Fourier coefficients %J Sbornik. Mathematics %D 2019 %P 994-1018 %V 210 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2019_210_7_a2/ %G en %F SM_2019_210_7_a2