%0 Journal Article
%A S. I. Dudov
%T Directional differentiability of the distance function
%J Sbornik. Mathematics
%D 1995
%P 337-358
%V 186
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1995_186_3_a2/
%G en
%F SM_1995_186_3_a2