@article{widebandbutterflynetworkstableand,
  title = {Wide-band butterfly network: stable and efficient inversion via multi-frequency neural networks},
  author = {Matthew Li and Laurent Demanet and Leonardo Zepeda-Núñez},
  year = {2020},
  eprint = {2011.12413},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2011.12413v2},
}