@misc{JMPA_1839_1_4__517_0,
     title = {Planches},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {517--519},
     publisher = {Gauthier-Villars},
     volume = {1e s{\'e}rie, 4},
     year = {1839},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1839_1_4__517_0/}
}