@misc{indiciaea8ae60c51866,
  title = {Lasing without inversion in a closed three-level system.},
  author = {Y Zhu},
  year = {1992},
  doi = {10.1103/physreva.45.r6149},
  url = {https://pubmed.ncbi.nlm.nih.gov/9907829/},
  note = {Source identifier: 9907829}
}