@article{depthseparationbeyondradialfunctions,
  title = {Depth separation beyond radial functions},
  author = {Luca Venturi and Samy Jelassi and Tristan Ozuch and Joan Bruna},
  year = {2021},
  eprint = {2102.01621},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2102.01621v4},
}