@article{JSFS_1878__19__115_0,
     author = {Siegfried, Jules},
     title = {La mis\`ere},
     journal = {Journal de la Soci\'et\'e de statistique de Paris},
     pages = {115--120},
     publisher = {Soci\'et\'e de statistique de Paris},
     volume = {19},
     year = {1878},
     language = {fr},
     url = {http://archive.numdam.org/item/JSFS_1878__19__115_0/}
}