@article{JRAM_1884__97_148589,
     author = {Ludwig Scheeffer},
     title = {Zur {Theorie} der {Functionen} ...(z), {P(z),} {Q(z).}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {230--241},
     year = {1884},
     volume = {97},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1884__97_148589/}
}