%0 Journal Article %A Harold Rosenberg %A R. Langevin %T Fenchel type theorems for submanifolds of Sn. %J Commentarii mathematici Helvetici %D 1996 %P 594-616 %V 71 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1996__71_2_140415/ %F CMH_1996__71_2_140415