1. C.E. Shannon, A mathematical theory of communication, Bell Syst. Tech. J. 27 (1948) 379–423 and 623–656.
2. Information Measures;Arndt,2001
3. Quantification method of classification processes. Concept of structural a-entropy;Havrda;Kybernetika,1967
4. Possible generalization of Boltzmann–Gibbs statistics;Tsallis;J. Stat. Phys.,1988
5. A. Rényi, On measures of entropy and information, in: Proceedings of the Fourth Berkeley Symposium on Mathematics, Statistics and Probability, vol. 1, University California Press, Berkeley, 1961, pp. 547–561.