Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1897__49_157859, author = {E. Study}, title = {Das {Apollonische} {Problem}}, journal = {Mathematische Annalen}, pages = {497--542}, publisher = {mathdoc}, volume = {49}, year = {1897}, zbl = {28.0518.06}, url = {http://geodesic.mathdoc.fr/item/MAN_1897__49_157859/} }
E. Study. Das Apollonische Problem. Mathematische Annalen, Tome 49 (1897), pp. 497-542. http://geodesic.mathdoc.fr/item/MAN_1897__49_157859/