@inproceedings{differentiabletopkwithoptimaltransport,
  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 2020 12},
  url = {http://proceedings.neurips.cc/paper/2020/hash/ec24a54d62ce57ba93a531b460fa8d18-Abstract.html},
}