@inproceedings{pham21iclr, title = {Meta Back-Translation}, author = {Hieu Pham and Xinyi Wang and Yiming Yang and Graham Neubig}, booktitle = {International Conference on Learning Representations (ICLR)}, address = {Online}, month = {May}, url = {https://arxiv.org/abs/2102.07847}, year = {2021} }