@article{AMPA_1827-1828__18__250_0,
     author = {Lenth\'eric and Timmermans},
     title = {D\'emonstration d'un th\'eor\`eme de g\'eom\'etrie \'enonc\'e \`a la pag. 156 du pr\'esent volume},
     journal = {Annales de math\'ematiques pures et appliqu\'ees},
     pages = {250--251},
     publisher = {Bachelier, gendre Courcier, Libraire pour les Math\'ematiques},
     address = {Paris},
     volume = {18},
     year = {1827-1828},
     language = {fr},
     url = {http://www.numdam.org/item/AMPA_1827-1828__18__250_0/}
}