@misc{indiciaec6311f1b92c9,
  title = {Generalized Coddington equations found via an operator method.},
  author = {Charles E Campbell},
  year = {2006},
  doi = {10.1364/josaa.23.001691},
  url = {https://pubmed.ncbi.nlm.nih.gov/16783433/},
  note = {Source identifier: 16783433}
}