@inproceedings{maxmarginadversarialmmatrainingdirect,
  title = {MMA Training: Direct Input Space Margin Maximization through Adversarial Training},
  author = {Gavin Weiguang Ding and Yash Sharma and Kry Yik Chau Lui and Ruitong Huang},
  year = {2018},
  booktitle = {ICLR 2020 1},
  eprint = {1812.02637},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1812.02637v4},
}