@article{JSFS_1893__34__481_0, author = {Bellet, Daniel}, title = {Chronique trimestrielle de statistique g\'en\'erale}, journal = {Journal de la Soci\'et\'e de statistique de Paris}, pages = {481--484}, publisher = {Soci\'et\'e de statistique de Paris}, volume = {34}, year = {1893}, language = {fr}, url = {http://www.numdam.org/item/JSFS_1893__34__481_0/} }