@misc{JSFS_1883__24__164_0, title = {Vari\'et\'es}, journal = {Journal de la Soci\'et\'e de statistique de Paris}, pages = {164--172}, publisher = {Soci\'et\'e de statistique de Paris}, volume = {24}, year = {1883}, language = {fr}, url = {http://archive.numdam.org/item/JSFS_1883__24__164_0/} }