@article{JMLR:v23:21-1507,
  author  = {Guy Kornowski and Ohad Shamir},
  title   = {Oracle Complexity in Nonsmooth Nonconvex Optimization},
  journal = {Journal of Machine Learning Research},
  year    = {2022},
  volume  = {23},
  number  = {314},
  pages   = {1--44},
  url     = {http://jmlr.org/papers/v23/21-1507.html}
}