@article{JRAM_1883__95_148562,
     author = {Friedrich Schur},
     title = {Zur {Theorie} der {Fl\"achen} dritter {Ordnung.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {207--217},
     year = {1883},
     volume = {95},
     zbl = {15.0558.01},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1883__95_148562/}
}