@inproceedings{queryefficienthardlabelblackboxattack,
  title = {Query-Efficient Hard-label Black-box Attack: An Optimization-based Approach},
  author = {Minhao Cheng and Thong Le and Pin-Yu Chen and huan zhang and Jin-Feng Yi and Cho-Jui Hsieh},
  year = {2019},
  booktitle = {ICLR 2019 5},
  url = {https://openreview.net/forum?id=rJlk6iRqKX},
}