@article{MSH_1980__70__5_0,
     author = {Barbut, Marc},
     title = {M\'ediane, distributivit\'e, \'eloignements},
     journal = {Math\'ematiques et Sciences humaines},
     publisher = {Ecole Pratique des hautes \'etudes, Centre de math\'ematique sociale et de statistique},
     volume = {70},
     year = {1980},
     pages = {5-31},
     zbl = {0439.06007},
     mrnumber = {593433},
     language = {fr},
     url = {http://www.numdam.org/item/MSH_1980__70__5_0}
}

Barbut, M. Médiane, distributivité, éloignements. Mathématiques et Sciences humaines, Tome 70 (1980) pp. 5-31. http://www.numdam.org/item/MSH_1980__70__5_0/