@article{MZ_1921__9_167625,
     author = {St. Jolles},
     title = {Allgemeine {Kollineationen} und ihre {Umkehrung}},
     journal = {Mathematische Zeitschrift},
     pages = {271--279},
     publisher = {mathdoc},
     volume = {9},
     year = {1921},
     zbl = {48.0692.02},
     url = {http://geodesic.mathdoc.fr/item/MZ_1921__9_167625/}
}