@article{MAN_1883__22_157108,
     author = {W. Sturm},
     title = {Ueber {Collineation} und {Correlation} m},
     journal = {Mathematische Annalen},
     pages = {569--588},
     year = {1883},
     volume = {22},
     zbl = {15.0520.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1883__22_157108/}
}