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@article{MAN_1890__37_157515, author = {Waelsch}, title = {Zur {Invariantentheorie} der {Liniengeometrie}}, journal = {Mathematische Annalen}, pages = {141--152}, publisher = {mathdoc}, volume = {37}, year = {1890}, zbl = {22.0155.01}, url = {http://geodesic.mathdoc.fr/item/MAN_1890__37_157515/} }
Waelsch. Zur Invariantentheorie der Liniengeometrie. Mathematische Annalen, Tome 37 (1890), pp. 141-152. http://geodesic.mathdoc.fr/item/MAN_1890__37_157515/