@inproceedings{yan21allograph,
  author={Brian Yan and Siddharth Dalmia and David Mortensen and Florian Metze and Shinji Watanabe},
  title={{Differentiable Allophone Graphs for Language Universal Speech Recognition}},
  year=2021,
  booktitle={Proc. Interspeech 2021},
  pages={2471--2475},
  doi={10.21437/Interspeech.2021-1944}
  url={http://dx.doi.org/10.21437/Interspeech.2021-1944}
}