@misc{indiciae02d325c66052,
  title = {Quantum theory of optical multistability in a two-photon three-level Lambda -configuration medium.},
  author = {Z Wang and W Guo and S Zheng},
  year = {1992},
  doi = {10.1103/physreva.46.7235},
  url = {https://pubmed.ncbi.nlm.nih.gov/9908059/},
  note = {Source identifier: 9908059}
}