@inproceedings{purelysequencetrainedneuralnetworksfor,
  title = {Purely sequence-trained neural networks for ASR based on lattice-free MMI},
  author = {Daniel Povey and Vijayaditya Peddinti and Daniel Galvez and Pegah Ghahrmani and Vimal Manohar and Xingyu Na and Yiming Wang and Sanjeev Khudanpur},
  year = {2016},
  booktitle = {INTERSPEECH 2016 2016 9},
  url = {https://www.danielpovey.com/files/2016_interspeech_mmi.pdf},
}