@article{JSFS_1891__32__397_0,
     author = {Loua, T.},
     title = {Les brevets d'invention},
     journal = {Journal de la Soci\'et\'e de statistique de Paris},
     pages = {397--401},
     year = {1891},
     publisher = {Soci\'et\'e de statistique de Paris},
     volume = {32},
     language = {fr},
     url = {https://www.numdam.org/item/JSFS_1891__32__397_0/}
}