@article{JSFS_1902__43__289_0,
     author = {Bertillon, Jacques},
     title = {Du degr\'e d'efficacit\'e de la loi du 24 d\'ecembre 1874 (loi {Th\'eophile} {Roussel)}},
     journal = {Journal de la Soci\'et\'e de statistique de Paris},
     pages = {289--311},
     publisher = {Soci\'et\'e de statistique de Paris},
     volume = {43},
     year = {1902},
     language = {fr},
     url = {http://www.numdam.org/item/JSFS_1902__43__289_0/}
}