@inproceedings{whenandwhyisunsupervisedneuralmachine,
  title = {When and Why is Unsupervised Neural Machine Translation Useless?},
  author = {Yunsu Kim and Miguel Graça and Hermann Ney},
  year = {2020},
  booktitle = {EAMT 2020 11},
  eprint = {2004.10581},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2004.10581v1},
}