@article{JSFS_1923__64__101_0,
     author = {Rueff, J.},
     title = {Le change, ph\'enom\`ene naturel},
     journal = {Journal de la Soci\'et\'e de statistique de Paris},
     pages = {101--112},
     publisher = {Soci\'et\'e de statistique de Paris},
     volume = {64},
     year = {1923},
     language = {fr},
     url = {http://archive.numdam.org/item/JSFS_1923__64__101_0/}
}