%0 Journal Article %A V. L. Levin %T Two Semiconic Duality Theorems %J Journal of convex analysis %D 2007 %P 855-867 %V 14 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_2007_14_4_JCA_2007_14_4_a8/ %F JCA_2007_14_4_JCA_2007_14_4_a8