@article{JRAM_1859__56_147765, author = {F. Joachimsthal}, title = {Ueber ein elementares {Theorem} der analytischen {Geometrie.}}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {280--284}, publisher = {mathdoc}, volume = {56}, year = {1859}, language = {de}, url = {http://geodesic.mathdoc.fr/item/JRAM_1859__56_147765/} }