@article{MSH_1986__95__45_0,
     author = {Ferreira Brito, L. and Langevin, R.},
     title = {Modalit\'es : un mod\`ele g\'eom\'etrique},
     journal = {Math\'ematiques et sciences humaines},
     pages = {45--74},
     publisher = {Ecole Pratique des hautes \'etudes, Centre de math\'ematique sociale et de statistique},
     volume = {95},
     year = {1986},
     language = {fr},
     url = {http://www.numdam.org/item/MSH_1986__95__45_0/}
}