@article{MAN_1876__10_156716,
     author = {Sturm},
     title = {Das {Problem} der {Collineation}},
     journal = {Mathematische Annalen},
     pages = {117--136},
     year = {1876},
     volume = {10},
     zbl = {08.0395.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1876__10_156716/}
}