@article{JDM_1902__11_144862, author = {Robert Fricke}, title = {Antwort.}, journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung}, pages = {354--355}, publisher = {mathdoc}, volume = {11}, year = {1902}, url = {http://geodesic.mathdoc.fr/item/JDM_1902__11_144862/} }