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@article{MAN_1882__20_157033, author = {Schroeter}, title = {Ueber cyklisch-projective {Punktquadrupel} in zwei collinearen {R\"aumen}}, journal = {Mathematische Annalen}, pages = {231--253}, publisher = {mathdoc}, volume = {20}, year = {1882}, zbl = {14.0548.01}, url = {http://geodesic.mathdoc.fr/item/MAN_1882__20_157033/} }
Schroeter. Ueber cyklisch-projective Punktquadrupel in zwei collinearen Räumen. Mathematische Annalen, Tome 20 (1882), pp. 231-253. http://geodesic.mathdoc.fr/item/MAN_1882__20_157033/