@article{JMLR:v21:19-650,
  author  = {Akshay Krishnamurthy and John Langford and Aleksandrs Slivkins and Chicheng Zhang},
  title   = {Contextual Bandits with Continuous Actions: Smoothing, Zooming, and Adapting},
  journal = {Journal of Machine Learning Research},
  year    = {2020},
  volume  = {21},
  number  = {137},
  pages   = {1--45},
  url     = {http://jmlr.org/papers/v21/19-650.html}
}