Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1896__47_157802, author = {Robert Fricke}, title = {Notiz \"uber die {Discontinuit\"at} gewisser {Collineationsgruppen}}, journal = {Mathematische Annalen}, pages = {557--563}, publisher = {mathdoc}, volume = {47}, year = {1896}, language = {de}, url = {http://geodesic.mathdoc.fr/item/MAN_1896__47_157802/} }
Robert Fricke. Notiz über die Discontinuität gewisser Collineationsgruppen. Mathematische Annalen, Tome 47 (1896), pp. 557-563. http://geodesic.mathdoc.fr/item/MAN_1896__47_157802/