@article{AMPA_1818-1819__9__293_0,
     author = {Vecten},
     title = {G\'eom\'etrie \'el\'ementaire. {Recherches} diverses de g\'eom\'etrie plane},
     journal = {Annales de math\'ematiques pures et appliqu\'ees},
     pages = {293--305},
     year = {1818-1819},
     publisher = {Veuve Courcier, Imprimeur-Libraire pour les Math\'ematiques},
     address = {Paris},
     volume = {9},
     language = {fr},
     url = {https://www.numdam.org/item/AMPA_1818-1819__9__293_0/}
}