@misc{indiciaed96bb5e8eed1,
  title = {Generalized nonlinear impurity in a linear chain.},
  author = {GP Tsironis and MI Molina and D Hennig},
  year = {1994},
  doi = {10.1103/physreve.50.2365},
  url = {https://pubmed.ncbi.nlm.nih.gov/9962250/},
  note = {Source identifier: 9962250}
}