1. On Shannon's inequality, optimal coding, and characterizations of Shannon's and Renyi's entropies (Convegno Informatica teoretica Ist. Naz. Alta Mat., Roma 1973);Aczél,1975
2. “Keeping the Expert Honest” revisited — or: A method to prove the differentiability of solutions of functional inequalities;Aczél,1974
3. On Measures of Information and Their Characterizations;Aczél,1975
4. A mixed theory of information. I. Symmetric, recursive and measurable entropies of randomized systems of events;Aczél;RAIRO Inform. Theor.,1978
5. General solution of an inequality containing several unknown functions, with applications to the generalized problem of “How to Keep the Expert Honest”;Aczél,1980