@article{AMPA_1817-1818__8__255_1,
     author = {Gergonne},
     title = {Vari\'et\'es. {Synonymie} math\'ematique},
     journal = {Annales de math\'ematiques pures et appliqu\'ees},
     pages = {255--259},
     publisher = {Veuve Courcier, Imprimeur-Libraire pour les Math\'ematiques},
     address = {Paris},
     volume = {8},
     year = {1817-1818},
     language = {fr},
     url = {http://www.numdam.org/item/AMPA_1817-1818__8__255_1/}
}