@article{AMPA_1827-1828__18__269_1,
     author = {Chasles},
     title = {G\'eom\'etrie pure. {Th\'eor\`emes} sur les sections coniques confocales},
     journal = {Annales de math\'ematiques pures et appliqu\'ees},
     pages = {269--276},
     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__269_1/}
}