@article{MAN_1989__283_1_164515,
     author = {Cun-Jin Sun},
     title = {On the {Gauss} {Map} of {Surfaces} in {Rn.}},
     journal = {Mathematische Annalen},
     pages = {375--380},
     publisher = {mathdoc},
     volume = {283},
     number = {1},
     year = {1989},
     zbl = {0643.53007},
     url = {http://geodesic.mathdoc.fr/item/MAN_1989__283_1_164515/}
}