1. Optimal Statistical Decisions;Degroot,1970
2. A definition of a nonprobabilistic entropy in the setting of fuzzy sets theory;De Luca;Inform. Contr.,1972
3. Decision-Making in a Fuzzy Environment;Fung,1973
4. Information Theory and Statistics;Kullback,1959
5. Introduction to Information and Decision Theories;Miyazawa,1971