@article{reasoningaboutexpectation,
  title = {Reasoning about Expectation},
  author = {Joseph Y. Halpern and Riccardo Pucella},
  year = {2014},
  eprint = {1407.7184},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1407.7184v1},
}