@article{PismaZhETF.7.348,
    title = {Narrowing of the Doppler Width in a Standing Wave},
    author = {Letokhov, V. S.},
    journal = {Письма в ЖЭТФ},
    volume = {7},
    issue = {9},
    pages = {348},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25663.shtml},
}