@misc{indiciae4e269c1e94ac,
  title = {Nonlinear Schrödinger equation on a circle.},
  author = {MA Smondyrev and P Vansant and FM Peeters and JT Devreese},
  year = {1995},
  doi = {10.1103/physrevb.52.11231},
  url = {https://pubmed.ncbi.nlm.nih.gov/9980225/},
  note = {Source identifier: 9980225}
}