@inproceedings{wang2020roma,
    title={ROMA: Multi-Agent Reinforcement Learning with Emergent Roles},
    author={Wang, Tonghan and Dong, Heng and Lesser, Victor and Zhang, Chongjie},
    booktitle={International Conference on Machine Learning},
    pages={9876--9886},
    year={2020},
    organization={PMLR}
}