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@article{MAN_1893__43_157692, author = {Wilhelm Killing}, title = {Zur projectiven {Geometrie}}, journal = {Mathematische Annalen}, pages = {569--590}, publisher = {mathdoc}, volume = {43}, year = {1893}, zbl = {25.1033.02}, url = {http://geodesic.mathdoc.fr/item/MAN_1893__43_157692/} }
Wilhelm Killing. Zur projectiven Geometrie. Mathematische Annalen, Tome 43 (1893), pp. 569-590. http://geodesic.mathdoc.fr/item/MAN_1893__43_157692/