@article{MAN_1886__26_157189,
     author = {Sturm},
     title = {Beispiele zu den {Cremona'schen} ebenen {Transformationen.}},
     journal = {Mathematische Annalen},
     pages = {304--308},
     publisher = {mathdoc},
     volume = {26},
     year = {1886},
     zbl = {17.0606.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1886__26_157189/}
}