@article{JSFS_1928__69__237_0,
     author = {Fleury, \'Em.},
     title = {Les \'ecarts de la r\'ealit\'e en assurances sociales},
     journal = {Journal de la Soci\'et\'e de statistique de Paris},
     pages = {237--248},
     publisher = {Soci\'et\'e de statistique de Paris},
     volume = {69},
     year = {1928},
     language = {fr},
     url = {http://www.numdam.org/item/JSFS_1928__69__237_0/}
}