%0 Journal Article
%A V. I. Ivanov
%T Local approximation of periodic functions by linear polynomial methods
%J Doklady Akademii Nauk
%D 1975
%P 523-524
%V 224
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1975_224_3_a5/
%G ru
%F DAN_1975_224_3_a5