%0 Journal Article
%A Ю. L. Bessonov
%T Approximation of periodic functions of class $W_{p,\theta}^{(r_1,r_2)}$ by Fourier sums
%J Doklady Akademii Nauk
%D 1962
%P 519-522
%V 147
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1962_147_3_a0/
%G ru
%F DAN_1962_147_3_a0