@misc{indiciae5ce58d13d4a8,
  title = {Nonlinear spherical surface waves.},
  author = {L Stenflo and MY Yu},
  year = {1990},
  doi = {10.1103/physreva.42.4894},
  url = {https://pubmed.ncbi.nlm.nih.gov/9904602/},
  note = {Source identifier: 9904602}
}