@article{JRAM_1832__8_146778,
     author = {C. Gudermann},
     title = {\"Uber die niedere {Sph\"arik.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {363--369},
     publisher = {mathdoc},
     volume = {8},
     year = {1832},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1832__8_146778/}
}