1. Upper and lower probabilities induced by a multivalued mapping;Dempster;IMATHSTAT: CA,1967
2. Mathematical Theory of Evidence;Shafer,1976
3. Belief Functions and Possibility Measures;Shafer,1984
4. An evidential knowledge-based computer vision;Wesley;Optical Eng.,1986
5. A general approach to decision mailing with evidential knowledge;Yager,1986