@article{JRAM_1892__110_148848,
     author = {G. Frobenius},
     title = {Ueber die in der {Theorie} der {Fl\"achen} auftretenden {Differentialparameter.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {1--36},
     publisher = {mathdoc},
     volume = {110},
     year = {1892},
     zbl = {24.0713.01},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1892__110_148848/}
}