1. Einige aus Funktionalgleichungen zweier Veränderlichen ableitbare Differentialgleichungen;Aczél;Acta Sci. Math. (Szeged),1950
2. Lectures on Functional Equations and Their Applications;Aczél,1966
3. Solution of a system of functional-differential equations arising from an optimization problem;Aczél;Linear Algebra Appl.,1985
4. Extended Hicks neutral technical change;Blackorby;Econom. J.,1976
5. Duality, Separability, and Functional Structure: Theory and Economic Applications;Blackorby,1978