@article{efficientlybreakingthecurseofhorizon,
  title = {Efficiently Breaking the Curse of Horizon in Off-Policy Evaluation with Double Reinforcement Learning},
  author = {Nathan Kallus and Masatoshi Uehara},
  year = {2019},
  eprint = {1909.05850},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1909.05850v6},
}