Joseph Y. Halpern, Leandro C. Rêgo. Extensive games with possibly unaware players. Mathematical Social Sciences, 70:42-58, 2014. [doi]
@article{HalpernR14a,
  title = {Extensive games with possibly unaware players},
  author = {Joseph Y. Halpern and Leandro C. Rêgo},
  year = {2014},
  doi = {10.1016/j.mathsocsci.2012.11.002},
  url = {http://dx.doi.org/10.1016/j.mathsocsci.2012.11.002},
  researchr = {https://researchr.org/publication/HalpernR14a},
  cites = {0},
  citedby = {0},
  journal = {Mathematical Social Sciences},
  volume = {70},
  pages = {42-58},
}