%0 Journal Article
%A O. V. Besov
%T On the density of finitary functions and the extension of classes of differentiable functions
%J Doklady Akademii Nauk
%D 1965
%P 738-741
%V 165
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1965_165_4_a1/
%G ru
%F DAN_1965_165_4_a1