1. Lectures on Functional Equations and Their Applications;Aczel,1966
2. Linearity of unrestrictedly transferable utilities;Aumann;Naval Res. Logist. Quart.,1960
3. On the Nontransferable Utility Value;Aumann,1983
4. An Axiomatization of the Non-Transferable Utility Value;Aumann,1983
5. Duality, Separability, and Functional Structure;Blackorby,1978