@article{JMLR:v23:20-717,
  author  = {Aurélien Garivier and Hédi Hadiji and Pierre Ménard and Gilles Stoltz},
  title   = {KL-UCB-Switch: Optimal Regret Bounds for Stochastic Bandits from Both a Distribution-Dependent and a Distribution-Free Viewpoints},
  journal = {Journal of Machine Learning Research},
  year    = {2022},
  volume  = {23},
  number  = {179},
  pages   = {1--66},
  url     = {http://jmlr.org/papers/v23/20-717.html}
}