@article{multiagentdeepreinforcementlearning,
  title = {Deep Multiagent Reinforcement Learning: Challenges and Directions},
  author = {Annie Wong and Thomas Bäck and Anna V. Kononova and Aske Plaat},
  year = {2021},
  eprint = {2106.15691},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2106.15691v2},
}