@article{5718,
  author = {L. You and John Cooper},
  title = {Semiclassical study of spectral evolution under propagation in an active medium},
  year = {1995},
  journal = {Physical Review A},
  volume = {51},
  pages = {4194-4202},
  month = {Jan-05-1995},
  issn = {1050-2947},
  doi = {10.1103/PhysRevA.51.4194},
}