%0 Journal Article
%A S. A. Stasyuk
%T Approximation of certain smoothness classes of periodic functions of several variables by polynomials with regard to the tensor Haar system
%J Trudy Instituta matematiki i mehaniki
%D 2015
%P 251-260
%V 21
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TIMM_2015_21_4_a22/
%G ru
%F TIMM_2015_21_4_a22