by K. Y. Levy, N. Shimkin

Reference:

Unified inter and intra options learning using policy gradient methods K. Y. Levy, N. ShimkinIn European Workshop on Reinforcement Learning, 2011

Bibtex Entry:

@inproceedings{levy2011unified,
  title={Unified inter and intra options learning using policy gradient methods},
  author={Levy, Kfir Y and Shimkin, Nahum},
  booktitle={European Workshop on Reinforcement Learning},
  pages={153--164},
  year={2011},
  organization={Springer}
}