@article{fadingmemoryechostatenetworksare,
  title = {Fading memory echo state networks are universal},
  author = {Lukas Gonon and Juan-Pablo Ortega},
  year = {2020},
  eprint = {2010.12047},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2010.12047v1},
}