@misc{indiciae10e54e8bec53,
  title = {Integrability and localized excitations in nonlinear discrete systems.},
  author = {S Flach and CR Willis and E Olbrich},
  year = {1994},
  doi = {10.1103/physreve.49.836},
  url = {https://pubmed.ncbi.nlm.nih.gov/9961276/},
  note = {Source identifier: 9961276}
}