%0 Journal Article
%A R. G. Mamedov
%T Direct and inverse theorems in the theory of approximation of functions by $m$-singular integrals
%J Doklady Akademii Nauk
%D 1962
%P 272-274
%V 144
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1962_144_2_a5/
%G ru
%F DAN_1962_144_2_a5