@article{JRAM_1888__102_148702,
     author = {K. Schwering},
     title = {Beitrag zur {Theorie} gewisser complexer {Zahlen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {56--75},
     publisher = {mathdoc},
     volume = {102},
     year = {1888},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1888__102_148702/}
}