@article{AMPA_1822-1823__13__328_1,
     author = {Gergonne},
     title = {D\'emonstration de {M.} {Gergonne}},
     journal = {Annales de math\'ematiques pures et appliqu\'ees},
     pages = {328--328},
     publisher = {Bachelier, gendre de Courcier, Imprimeur-Libraire pour les Math\'ematiques},
     address = {Paris},
     volume = {13},
     year = {1822-1823},
     language = {fr},
     url = {http://archive.numdam.org/item/AMPA_1822-1823__13__328_1/}
}