@misc{indiciaee4092a4daabd,
  title = {Direct iteration-variation method for scattering problems.},
  author = {BI Schneider and LA Collins},
  year = {1986},
  doi = {10.1103/physreva.33.2970},
  url = {https://pubmed.ncbi.nlm.nih.gov/9897003/},
  note = {Source identifier: 9897003}
}