@article{JMLR:v19:18-195,
  author  = {Srinivasan Arunachalam and Ronald de Wolf},
  title   = {Optimal Quantum Sample Complexity of Learning Algorithms},
  journal = {Journal of Machine Learning Research},
  year    = {2018},
  volume  = {19},
  number  = {71},
  pages   = {1--36},
  url     = {http://jmlr.org/papers/v19/18-195.html}
}