@article{JMLR:v25:23-0733,
  author  = {Arya Akhavan and Evgenii Chzhen and Massimiliano Pontil and Alexandre B. Tsybakov},
  title   = {Gradient-free optimization of highly smooth functions: improved analysis and a new algorithm},
  journal = {Journal of Machine Learning Research},
  year    = {2024},
  volume  = {25},
  number  = {370},
  pages   = {1--50},
  url     = {http://jmlr.org/papers/v25/23-0733.html}
}