%0 Journal Article
%A È. A. Storozhenko
%T The rapidity of approximation of functions by the de la Vall\'ee Poussin means of their orthogonal expansions
%J Matematičeskie zametki
%D 1967
%P 175-186
%V 2
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1967_2_2_a7/
%G ru
%F MZM_1967_2_2_a7