%0 Journal Article %A J. Bair %A J. C. Dupin %T The Barrier Cone of a Convex Set and the Closure of the Cover %J Journal of convex analysis %D 1999 %P 395-398 %V 6 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_1999_6_2_JCA_1999_6_2_a10/ %F JCA_1999_6_2_JCA_1999_6_2_a10