%0 Journal Article
%A E. P. Dolzhenko
%T On the differentiability of functions that can be approximated sufficiently well in the Hausdorff or uniform metric
%J Doklady Akademii Nauk
%D 1976
%P 765-768
%V 230
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1976_230_4_a3/
%G ru
%F DAN_1976_230_4_a3