Why Dempster's fusion rule is not a generalization of Bayes fusion rule

Jean Dezert, Albena Tchamova, Deqiang Han, Jean-Marc Tacnet. Why Dempster's fusion rule is not a generalization of Bayes fusion rule. In Proceedings of the 16th International Conference on Information Fusion, FUSION 2013, Istanbul, Turkey, July 9-12, 2013. pages 1127-1134, IEEE, 2013. [doi]

@inproceedings{DezertTHT13,
  title = {Why Dempster's fusion rule is not a generalization of Bayes fusion rule},
  author = {Jean Dezert and Albena Tchamova and Deqiang Han and Jean-Marc Tacnet},
  year = {2013},
  url = {http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=6641123},
  researchr = {https://researchr.org/publication/DezertTHT13},
  cites = {0},
  citedby = {0},
  pages = {1127-1134},
  booktitle = {Proceedings of the 16th International Conference on Information Fusion, FUSION 2013, Istanbul, Turkey, July 9-12, 2013},
  publisher = {IEEE},
  isbn = {978-605-86311-1-3},
}