Marcel K. Richter, Kam-Chau Wong. Concave utility on finite sets. J. Economic Theory, 115(2):341-357, 2004. [doi]
@article{RichterW04-0, title = {Concave utility on finite sets}, author = {Marcel K. Richter and Kam-Chau Wong}, year = {2004}, doi = {10.1016/S0022-0531(03)00167-4}, url = {http://dx.doi.org/10.1016/S0022-0531(03)00167-4}, researchr = {https://researchr.org/publication/RichterW04-0}, cites = {0}, citedby = {0}, journal = {J. Economic Theory}, volume = {115}, number = {2}, pages = {341-357}, }