1. Lectures on Functional Equation and their Applications;Aczél,1966
2. Determination of all additive quasiarithmetic mean codeword lengths;Aczél;Z. Wahr. Verw. Geb.,1974
3. Information theoretical considerations on estimation problems;Arimoto;Inform. Contr.,1971
4. A coding theorem and Rényi's entropy;Campbell;Inform. Contr.,1965
5. Inequalities;Hardy,1934