@article{whatdoesabelieffunctionbelievein,
  title = {What Does a Belief Function Believe In ?},
  author = {Andrzej Matuszewski and Mieczysław A. Kłopotek},
  year = {2017},
  eprint = {1706.02686},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1706.02686v1},
}