@article {fan2021paraphrase,
	title = {Paraphrase Generation as Unsupervised Machine Translation},
	journal = {arXiv preprint arXiv:2109.02950},
	year = {2021},
	author = {Chun Fan and Tian, Yufei and Meng, Yuxian and Peng, Nanyun and Sun, Xiaofei and Wu, Fei and Li, Jiwei}
}
