1. Probability measures of fuzzy events;Zadeh;J. Math. Anal. Appl.,1968
2. Fuzzy probability measures;Klement;Fuzzy Sets and Systems,1981
3. Characterization of finite measures using Markoff-Kernels;Klement;J. Math. Anal. Appl.,1981
4. Theory of Fuzzy Integrals and Its Application;Sugeno,1974
5. The fuzzy integral;Ralescu;J. Math. Anal. Appl.,1979