@article{MAN_1886__28_157256,
     author = {Schur},
     title = {Ueber die {Deformation} eines dreidimensionalen {Raumes} in einem ebenen vierdimensionalen {Raume}},
     journal = {Mathematische Annalen},
     pages = {343--353},
     publisher = {mathdoc},
     volume = {28},
     year = {1886},
     zbl = {19.0839.02},
     url = {http://geodesic.mathdoc.fr/item/MAN_1886__28_157256/}
}