@article{JRAM_1894__113_148917,
     author = {P. St\"ackel},
     title = {Biegungscovarianten und {Differentialparameter.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {58--60},
     publisher = {mathdoc},
     volume = {113},
     year = {1894},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1894__113_148917/}
}