@article{JSFS_1919__60__231_0,
     author = {Barthe, Andr\'e},
     title = {Le change fran\c{c}ais \`a {Madrid} en 1918},
     journal = {Journal de la Soci\'et\'e de statistique de Paris},
     pages = {231--232},
     publisher = {Soci\'et\'e de statistique de Paris},
     volume = {60},
     year = {1919},
     language = {fr},
     url = {http://www.numdam.org/item/JSFS_1919__60__231_0/}
}