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