@misc{indiciae463e9182d33b,
  title = {Gap solitons in nonlinear periodic structures.},
  author = {DL Mills and SE Trullinger},
  year = {1987},
  doi = {10.1103/physrevb.36.947},
  url = {https://pubmed.ncbi.nlm.nih.gov/9942899/},
  note = {Source identifier: 9942899}
}