@article{JRAM_1846__33_183249,
     author = {Christoph Gudermann},
     title = {De curvis catenariis sphaericis dissertatio analytico-geometrica.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {189--225},
     publisher = {mathdoc},
     volume = {33},
     year = {1846},
     language = {la},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1846__33_183249/}
}