@article{PismaZhETF.3.413,
    title = {Autoresonant Feedback in Lasers},
    author = {Letokhov, V. S.},
    journal = {Письма в ЖЭТФ},
    volume = {3},
    issue = {10},
    pages = {413},
    year = {1966},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24785.shtml},
}