@misc{indiciaecd6b7df46a69,
  title = {Exact Green's function for the step and square-barrier potentials.},
  author = {de Aguiar MA},
  year = {1993},
  doi = {10.1103/physreva.48.2567},
  url = {https://pubmed.ncbi.nlm.nih.gov/9909906/},
  note = {Source identifier: 9909906}
}