%0 Journal Article %A L. Cheng %A Y. Zhou %T On Approximation by Δ-Convex Polyhedron Support Functions and the Dual of cc(X) and wcc(X) %J Journal of convex analysis %D 2012 %P 201-212 %V 19 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_2012_19_1_JCA_2012_19_1_a11/ %F JCA_2012_19_1_JCA_2012_19_1_a11