@article{GDZPPN002035049, title = {On a functional equation related to income inequality measures.}, journal = {Aequationes mathematicae}, volume = {28}, year = {1985}, pages = {161-169}, zbl = {0566.39012}, url = {http://dml.mathdoc.fr/item/GDZPPN002035049} }
Ng, C.T. On a functional equation related to income inequality measures.. Aequationes mathematicae, Tome 28 (1985) pp. 161-169. http://gdmltest.u-ga.fr/item/GDZPPN002035049/