@misc{indiciae0f831ac621c3,
  title = {Twistor Actions for Integrable Systems},
  author = {Penna, Robert F.},
  year = {2021},
  doi = {10.1007/jhep09(2021)140},
  url = {https://www.osti.gov/biblio/1879845},
  note = {Source identifier: 1879845}
}