@article{Barmpalias2018EquivalencesBetweenLearning,
  title   = {Equivalences between learning of data and probability distributions, and their applications},
  journal = {Inf. Comput.},
  year    = {2018},
  volume  = {262},
  pages   = {123-140},
  author  = {G. Barmpalias and N. Fang and F. Stephan},
}