@misc{indiciae9bdfd4ccf81d,
  title = {Conformal wave expansions for flat space amplitudes},
  author = {Liu, Chang and Lowe, David A.},
  year = {2021},
  doi = {10.1007/jhep07(2021)102},
  url = {https://www.osti.gov/biblio/2340795},
  note = {Source identifier: 2340795}
}