TY - JOUR AU - J. Bair AU - J. C. Dupin TI - The Barrier Cone of a Convex Set and the Closure of the Cover JO - Journal of convex analysis PY - 1999 SP - 395 EP - 398 VL - 6 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JCA_1999_6_2_JCA_1999_6_2_a10/ ID - JCA_1999_6_2_JCA_1999_6_2_a10 ER -