@article{JSFS_1881__22__148_0,
     author = {Loua, T.},
     title = {Le volontariat d'un an},
     journal = {Journal de la Soci\'et\'e de statistique de Paris},
     pages = {148--150},
     publisher = {Soci\'et\'e de statistique de Paris},
     volume = {22},
     year = {1881},
     language = {fr},
     url = {http://archive.numdam.org/item/JSFS_1881__22__148_0/}
}