@misc{indiciae3c30ca37f22a,
  title = {Discrete Recurrent Neural Networks as Pushdown Automata},
  author = {Zeng, Zheng and Goodman, Rodney M. and Smyth, Padhraic},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/20060037644},
  note = {Source identifier: 20060037644}
}