@article{testingmachinetranslationviareferential,
  title = {Testing Machine Translation via Referential Transparency},
  author = {Pinjia He and Clara Meister and Zhendong Su},
  year = {2020},
  eprint = {2004.10361},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2004.10361v2},
}