@misc{W2171928131,
  author = {Tomáš Mikolov and Stefan Kombrink and Lukáš Burget and Jaň Černocký and Sanjeev Khudanpur},
  title = {Extensions of recurrent neural network language model},
  year = {2011},
  doi = {https://doi.org/10.1109/icassp.2011.5947611}
}