%0 Journal Article %A Tarafdar, Enayat %T Five equivalent theorems on a convex subset of a topological vector space %J Commentationes Mathematicae Universitatis Carolinae %D 1989 %P 323-326 %V 30 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1989__30_2_a13/ %G en %F CMUC_1989__30_2_a13