%0 Journal Article
%A E. M. Dyn'kin
%T Smooth functions on plane sets
%J Doklady Akademii Nauk
%D 1973
%P 25-27
%V 208
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1973_208_1_a4/
%G ru
%F DAN_1973_208_1_a4