1. Lectures on Functional Equations and Their Applications;Aczél,1966
2. A Short Course on Functional Equations Based upon Recent Applications to the Social and Behavioural Sciences;Aczél,1987
3. On the possible merging functions;Aczél;Math. Social Sci.,1989
4. On scientific laws without dimensional constants;Aczél;J. Math. Anal. Appl.,1986
5. Functional Equations in Economics;Eichhorn,1978