@article{CMH_1996__71_2_140415,
     author = {Harold Rosenberg and R. Langevin},
     title = {Fenchel type theorems for submanifolds of {Sn.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {594--616},
     publisher = {mathdoc},
     volume = {71},
     number = {2},
     year = {1996},
     zbl = {0880.53047},
     url = {http://geodesic.mathdoc.fr/item/CMH_1996__71_2_140415/}
}