@inproceedings{freelbenhancedadversarialtrainingfor,
  title = {FreeLB: Enhanced Adversarial Training for Natural Language Understanding},
  author = {Chen Zhu and Yu Cheng and Zhe Gan and Siqi Sun and Tom Goldstein and Jingjing Liu},
  year = {2019},
  booktitle = {ICLR 2020 1},
  eprint = {1909.11764},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1909.11764v5},
}