1. Functional Equations in Several Variables;Aczél,1989
2. The behaviour of comprehensive classes of means under equal increments of their variables;Aczél;Numer. Math.,1987
3. The behaviour of means under equal increments of their variables;Aczél;Amer. Math. Monthly,1988
4. Pi and the AGM—A Study in Analytic Number Theory and Computational Complexity;Borwein,1986
5. Averages still on the move;Bullen;Math. Mag.,1990