@article{BSMF_1901__29__130_1,
     author = {Bricard, Raoul},
     title = {Sur les syst\`emes r\'eciproques de points},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {130--139},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {29},
     year = {1901},
     doi = {10.24033/bsmf.640},
     language = {fr},
     url = {www.numdam.org/item/BSMF_1901__29__130_1/}
}

Bricard, R. Sur les systèmes réciproques de points. Bulletin de la Société Mathématique de France, Tome 29 (1901) , pp. 130-139. doi : 10.24033/bsmf.640. http://www.numdam.org/item/BSMF_1901__29__130_1/