@article{JSFS_1933__74__195_0,
     author = {JSFS},
     title = {Communication},
     journal = {Journal de la Soci\'et\'e de statistique de Paris},
     pages = {195--196},
     publisher = {Soci\'et\'e de statistique de Paris},
     volume = {74},
     year = {1933},
     language = {fr},
     url = {http://www.numdam.org/item/JSFS_1933__74__195_0/}
}