1. The Finite Element Method, vol. 1;Zienkiewicz,1989
2. Classic Works of the Dempster-Shafer Theory of Belief Functions;Yager,2008
3. A Mathematical Theory of Evidence;Shafer,1976
4. Statistical Reasoning with Imprecise Probabilities;Walley,1991
5. Fuzzy sets as a basis for a theory of possibility;Zadeh;Fuzzy Sets and Systems,1999