@article{JRAM_1890__106_148779,
     author = {P. St\"ackel},
     title = {Zur {Theorie} der eindeutigen {Functionen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {189--192},
     publisher = {mathdoc},
     volume = {106},
     year = {1890},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1890__106_148779/}
}