@article{optimalmodelfreepredictionfrom,
  title = {Optimal model-free prediction from multivariate time series},
  author = {Jakob Runge and Reik V. Donner and Jürgen Kurths},
  year = {2015},
  eprint = {1506.05822},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1506.05822v1},
}