@article{JSFS_1894__35__60_0,
     author = {Vannacque, A. and Hercquet},
     title = {Les soci\'et\'es de secours mutuels},
     journal = {Journal de la Soci\'et\'e de statistique de Paris},
     pages = {60--68},
     publisher = {Soci\'et\'e de statistique de Paris},
     volume = {35},
     year = {1894},
     language = {fr},
     url = {http://www.numdam.org/item/JSFS_1894__35__60_0/}
}