%0 Journal Article %A E. Muselli %T Affinity and Well-Posedness for Optimal Control Problems in Hilbert Spaces %J Journal of convex analysis %D 2007 %P 767-784 %V 14 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_2007_14_4_JCA_2007_14_4_a4/ %F JCA_2007_14_4_JCA_2007_14_4_a4