@article{AMPA_1824-1825__15__250_0,
     author = {Sturm, Ch.},
     title = {G\'eom\'etrie \'el\'ementaire. {Th\'eor\`emes} sur les polygones r\'eguliers},
     journal = {Annales de math\'ematiques pures et appliqu\'ees},
     pages = {250--256},
     publisher = {Bachelier, gendre Courcier, Libraire pour les Math\'ematiques},
     address = {Paris},
     volume = {15},
     year = {1824-1825},
     language = {fr},
     url = {http://www.numdam.org/item/AMPA_1824-1825__15__250_0/}
}