@misc{indiciae17e47667769c,
  title = {Internal eigenstate problem: the trial state method.},
  author = {G Jolicard and J P Killingbeck and M Y Perrin},
  year = {2001},
  doi = {10.1103/physreve.63.026701},
  url = {https://pubmed.ncbi.nlm.nih.gov/11308606/},
  note = {Source identifier: 11308606}
}