@article{echostatenetworkstrainedbytikhonovleast,
  title = {Echo State Networks trained by Tikhonov least squares are L2(μ) approximators of ergodic dynamical systems},
  author = {Allen G Hart and James L Hook and Jonathan H P Dawes},
  year = {2020},
  eprint = {2005.06967},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2005.06967v2},
}