@article{JMLR:v19:18-020,
  author  = {Lyudmila Grigoryeva and Juan-Pablo Ortega},
  title   = {Universal discrete-time reservoir computers with stochastic inputs and linear readouts using non-homogeneous state-affine systems},
  journal = {Journal of Machine Learning Research},
  year    = {2018},
  volume  = {19},
  number  = {24},
  pages   = {1--40},
  url     = {http://jmlr.org/papers/v19/18-020.html}
}