@inproceedings{transformerbaseddirecthiddenmarkovmodel,
  title = {Transformer-Based Direct Hidden Markov Model for Machine Translation},
  author = {Weiyue Wang and Zijian Yang and Yingbo Gao and Hermann Ney},
  year = {2021},
  booktitle = {ACL 2021 5},
  url = {https://aclanthology.org/2021.acl-srw.3},
}