@article{PismaZhETF.12.131,
    title = {Powerful Stimulated Radiation in Rubidium Vapor in Excitation of a Laser with Adjustable Frequency},
    author = {Korolev, F. A. and Bakhramov, S. A. and Odintsov, V. l.},
    journal = {Письма в ЖЭТФ},
    volume = {12},
    issue = {3},
    pages = {131},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26252.shtml},
}