@article{MSH_1986__93__61_0, author = {Barbut, Marc}, title = {Diam\`etres et \'ecarts. {Une} d\'ecomposition du coefficient d'in\'egalit\'e de {C.} {Gini}}, journal = {Math\'ematiques et sciences humaines}, pages = {61--69}, publisher = {Ecole Pratique des hautes \'etudes, Centre de math\'ematique sociale et de statistique}, volume = {93}, year = {1986}, mrnumber = {851494}, zbl = {0596.90023}, language = {fr}, url = {http://www.numdam.org/item/MSH_1986__93__61_0/} }