%0 Journal Article
%A E. M. Dyn'kin
%T On a constructive characterization of Sobolev and Besov classes
%J Doklady Akademii Nauk
%D 1977
%P 773-775
%V 233
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1977_233_5_a3/
%G ru
%F DAN_1977_233_5_a3