@misc{indiciae5a9dc298a83d,
  title = {Phase averaging and generalized eikonal representations.},
  author = {HM Fried and YM Gabellini},
  year = {1995},
  doi = {10.1103/physrevd.51.890},
  url = {https://pubmed.ncbi.nlm.nih.gov/10018542/},
  note = {Source identifier: 10018542}
}