%0 Journal Article %A K. Rogovin %T Non-Smooth Analysis in Infinite Dimensional Banach Homogenous Groups %J Journal of convex analysis %D 2007 %P 667-691 %V 14 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_2007_14_4_JCA_2007_14_4_a0/ %F JCA_2007_14_4_JCA_2007_14_4_a0