@article{JRAM_1829__4_183146,
     author = {C. Gudermann},
     title = {\"Uber die {Potenzial-Functionen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {287--295},
     publisher = {mathdoc},
     volume = {4},
     year = {1829},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1829__4_183146/}
}