@article{MSH_1985__92__5_0,
     author = {Leclerc, B.},
     title = {La comparaison des hi\'erarchies : indices et m\'etriques},
     journal = {Math\'ematiques et sciences humaines},
     pages = {5--40},
     publisher = {Ecole Pratique des hautes \'etudes, Centre de math\'ematique sociale et de statistique},
     volume = {92},
     year = {1985},
     mrnumber = {866224},
     zbl = {0592.62050},
     language = {fr},
     url = {http://www.numdam.org/item/MSH_1985__92__5_0/}
}