@inproceedings{ijcai2017p196,
  author    = {Aijun Bai and Stuart Russell},
  title     = {Efficient Reinforcement Learning with Hierarchies of Machines by Leveraging Internal Transitions},
  booktitle = {Proceedings of the Twenty-Sixth International Joint Conference on
               Artificial Intelligence, {IJCAI-17}},
  pages     = {1418--1424},
  year      = {2017},
  doi       = {10.24963/ijcai.2017/196},
  url       = {https://doi.org/10.24963/ijcai.2017/196},
}