@inproceedings{differentiabletopkwithoptimaltransport1,
  title = {Differentiable Top-$k$ with Optimal Transport},
  author = {Yujia Xie and Hanjun Dai and Minshuo Chen and Bo Dai and Tuo Zhao and Hongyuan Zha and Wei Wei and Tomas Pfister},
  year = {2020},
  booktitle = {NeurIPS Workshop LMCA 2020 12},
  url = {https://openreview.net/forum?id=56GGSCoaSa4},
}