@article{PismaZhETF.6.575,
    title = {Quantum Noise in Parametric Light Amplifiers},
    author = {Akhmanov, S. A. and Fadeev, V. V. and Khokhlov, R. V. and Chunaev, O. N.},
    journal = {Письма в ЖЭТФ},
    volume = {6},
    issue = {4},
    pages = {575},
    year = {1967},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25333.shtml},
}