@article{JSFS_1963__104__104_0,
     author = {Becquet, Charles and Roland, J. and Bourdon, J.},
     title = {Interaction des probl\`emes linguistique et \'economique en {Belgique}},
     journal = {Journal de la Soci\'et\'e de statistique de Paris},
     pages = {104--131},
     publisher = {Soci\'et\'e de statistique de Paris},
     volume = {104},
     year = {1963},
     language = {fr},
     url = {http://www.numdam.org/item/JSFS_1963__104__104_0/}
}