@article{AMPA_1814-1815__5__29_0,
     author = {Gergonne},
     title = {G\'eom\'etrie analitique. {Propri\'et\'es} des diam\`etres conjugu\'es de l'ellipso{\"\i}de},
     journal = {Annales de math\'ematiques pures et appliqu\'ees},
     pages = {29--32},
     publisher = {Veuve Courcier, Imprimeur-Libraire pour les Math\'ematiques},
     address = {Paris},
     volume = {5},
     year = {1814-1815},
     mrnumber = {1555776},
     language = {fr},
     url = {http://archive.numdam.org/item/AMPA_1814-1815__5__29_0/}
}