%0 Journal Article %A K. Sawatani %A T. Watanabe %T Type One Functions and Voronoï's Theorem %J Journal of convex analysis %D 2011 %P 341-351 %V 18 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_2011_18_2_JCA_2011_18_2_a1/ %F JCA_2011_18_2_JCA_2011_18_2_a1