@article{onforgettingintractablepropositional,
  title = {On Forgetting in Tractable Propositional Fragments},
  author = {Yisong Wang},
  year = {2015},
  eprint = {1502.02799},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1502.02799v1},
}