@article{aseparationtheoremforchaineventgraphs,
  title = {A Separation Theorem for Chain Event Graphs},
  author = {Peter A. Thwaites and Jim Q. Smith},
  year = {2015},
  eprint = {1501.05215},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1501.05215v1},
}