@article{MAN_1886__26_157193,
     author = {Sturm},
     title = {Ueber {Collineationen} und {Correlationen,} welche {Fl\"achen} 2. {Grades} oder cubische {Raumcurven} in sich selbst transformiren},
     journal = {Mathematische Annalen},
     pages = {465--508},
     publisher = {mathdoc},
     volume = {26},
     year = {1886},
     zbl = {18.0587.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1886__26_157193/}
}