@article{MAN_1894__44_157704,
     author = {E. Fricke},
     title = {Ueber die {Transformationstheorie} der automorphen {Functionen.}},
     journal = {Mathematische Annalen},
     pages = {97--104},
     year = {1894},
     volume = {44},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1894__44_157704/}
}