@article{li-etal-2021-differentiable,
    title = "Differentiable Subset Pruning of Transformer Heads",
    author = "Li, Jiaoda  and
      Cotterell, Ryan  and
      Sachan, Mrinmaya",
    editor = "Roark, Brian  and
      Nenkova, Ani",
    journal = "Transactions of the Association for Computational Linguistics",
    volume = "9",
    year = "2021",
    address = "Cambridge, MA",
    publisher = "MIT Press",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/2021.tacl-1.86/",
    doi = "10.1162/tacl_a_00436",
    pages = "1442--1459"
}