@inproceedings{multirewardbasedreinforcementlearningfor,
  title = {Multi-Reward based Reinforcement Learning for Neural Machine Translation},
  author = {Shuo Sun and Hongxu Hou and Nier Wu and Ziyue Guo and Chaowei Zhang},
  year = {2020},
  booktitle = {CCL 2020 10},
  url = {https://aclanthology.org/2020.ccl-1.91},
}