@article{PismaZhETF.43.115,
    title = {Parametric brightening of the medium in resonant four-wave mixing},
    author = {Krasnikov, V. V. and Pshenichnikov, M. S. and Solomatin, V. S.},
    journal = {Письма в ЖЭТФ},
    volume = {43},
    issue = {3},
    pages = {115},
    year = {1986},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21256.shtml},
}