%0 Journal Article
%A M. F. Timan
%T The order of approximation of a function by Zygmund's normal averages
%J Doklady Akademii Nauk
%D 1968
%P 29-32
%V 181
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1968_181_1_a6/
%G ru
%F DAN_1968_181_1_a6