%0 Journal Article
%A A. G. Vitushkin
%T Some properties of linear superpositions of smooth functions
%J Doklady Akademii Nauk
%D 1964
%P 1003-1006
%V 156
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1964_156_5_a3/
%G ru
%F DAN_1964_156_5_a3