@misc{indiciae75a58bba573b,
  title = {Codimension-two bifurcations in single-mode optical bistable systems.},
  author = {H Gang and CZ Ning and H Haken},
  year = {1990},
  doi = {10.1103/physreva.41.2702},
  url = {https://pubmed.ncbi.nlm.nih.gov/9903404/},
  note = {Source identifier: 9903404}
}