@article{JSFS_1886__S26__12_0,
     author = {Say, L\'eon},
     title = {La statistique internationale},
     journal = {Journal de la Soci\'et\'e de statistique de Paris},
     pages = {12--21},
     publisher = {Soci\'et\'e de statistique de Paris},
     volume = {S26},
     year = {1886},
     language = {fr},
     url = {http://www.numdam.org/item/JSFS_1886__S26__12_0/}
}