@article{variableforgettinginreasoningabout,
  title = {Variable Forgetting in Reasoning about Knowledge},
  author = {Kaile Su and Abdul Sattar and Guanfeng Lv and Yan Zhang},
  year = {2014},
  eprint = {1401.3472},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1401.3472v1},
}