@article{technicalreportthepolicygraphimprovement,
  title = {Technical Report: The Policy Graph Improvement Algorithm},
  author = {Joni Pajarinen},
  year = {2020},
  eprint = {2009.02164},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2009.02164v1},
}