%0 Journal Article
%A E. S. Levitin
%T On a distance estimate and the form of a tangent cone to the graph
%J Doklady Akademii Nauk
%D 1996
%P 14-18
%V 350
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1996_350_1_a3/
%G ru
%F DAN_1996_350_1_a3