@misc{indiciae33938346a617,
  title = {Phase-space eikonal method for treating wave equations.},
  author = {SW McDonald},
  year = {1985},
  doi = {10.1103/physrevlett.54.1211},
  url = {https://pubmed.ncbi.nlm.nih.gov/10030966/},
  note = {Source identifier: 10030966}
}