@article{MAN_1971__193_182712,
     author = {Dirk FERUS},
     title = {The {Torsion} {Form} of {Submanifolds} in {EN.}},
     journal = {Mathematische Annalen},
     pages = {114--120},
     publisher = {mathdoc},
     volume = {193},
     year = {1971},
     zbl = {0206.50502},
     url = {http://geodesic.mathdoc.fr/item/MAN_1971__193_182712/}
}