@article{JSFS_1968__109__284_0,
     author = {JSFS},
     title = {Vie de la soci\'et\'e},
     journal = {Journal de la Soci\'et\'e de statistique de Paris},
     pages = {284--296},
     publisher = {Soci\'et\'e de statistique de Paris},
     volume = {109},
     year = {1968},
     language = {fr},
     url = {http://archive.numdam.org/item/JSFS_1968__109__284_0/}
}