@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/}
}