@article{MAN_1987__277_164237,
     author = {Chuu-Lian Terng},
     title = {Submanifolds with {Flat} {Normal} {Bundle.}},
     journal = {Mathematische Annalen},
     pages = {95--112},
     publisher = {mathdoc},
     volume = {277},
     year = {1987},
     zbl = {0596.53049},
     url = {http://geodesic.mathdoc.fr/item/MAN_1987__277_164237/}
}