@article{JRAM_1887__100_148674,
     author = {S. Gundelfinger},
     title = {Zur {Theorie} der bin\"aren {Formen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {413--424},
     publisher = {mathdoc},
     volume = {100},
     year = {1887},
     zbl = {19.0109.01},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1887__100_148674/}
}