@inproceedings{amixtureofh1headsisbetterthanhheads1,
  title = {A Mixture of h - 1 Heads is Better than h Heads},
  author = {Hao Peng and Roy Schwartz and Dianqi Li and Noah A. Smith},
  year = {2020},
  booktitle = {ACL 2020 6},
  url = {https://aclanthology.org/2020.acl-main.587},
}