@misc{indiciae2aca93c5823c,
  title = {Generalized constraints on quantum amplification.},
  author = {U Gavish and B Yurke and Y Imry},
  year = {2004},
  doi = {10.1103/physrevlett.93.250601},
  url = {https://pubmed.ncbi.nlm.nih.gov/15697886/},
  note = {Source identifier: 15697886}
}