%0 Journal Article %A D. Pallaschke %A R. Urbanski %T Invariants of Pairs of Compact Convex Sets %J Journal of convex analysis %D 1999 %P 367-376 %V 6 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_1999_6_2_JCA_1999_6_2_a7/ %F JCA_1999_6_2_JCA_1999_6_2_a7