@article{SM_2019_210_7_a2, author = {M. I. Dyachenko and A. B. Mukanov and S. Yu. Tikhonov}, title = {Smoothness of functions and {Fourier} coefficients}, journal = {Sbornik. Mathematics}, pages = {994--1018}, year = {2019}, volume = {210}, number = {7}, language = {en}, url = {http://geodesic.mathdoc.fr/item/SM_2019_210_7_a2/} }