%0 Journal Article
%A K. Zhang
%T On the Equal Hull Problem for Nontrivial Semiconvex Hulls
%J Journal of convex analysis
%D 2003
%P 409-417
%V 10
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JCA_2003_10_2_JCA_2003_10_2_a6/
%F JCA_2003_10_2_JCA_2003_10_2_a6