@article{MAN_1878__13_156808,
     author = {Voss},
     title = {Zur {Theorie} der orthogonalen {Substitutionen}},
     journal = {Mathematische Annalen},
     pages = {320--374},
     publisher = {mathdoc},
     volume = {13},
     year = {1878},
     url = {http://geodesic.mathdoc.fr/item/MAN_1878__13_156808/}
}