%0 Journal Article %A L. Granieri %A F. Maddalena %T Optimal Shapes in Force Fields %J Journal of convex analysis %D 2008 %P 17-37 %V 15 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_2008_15_1_JCA_2008_15_1_a1/ %F JCA_2008_15_1_JCA_2008_15_1_a1