@article{PismaZhETF.13.592,
    title = {Optical Frequency Standard with a Beam Type Absorbing Cell},
    author = {Malyshev, Yu. M. and Tatarenkov, V. M. and Titov, A. N.},
    journal = {Письма в ЖЭТФ},
    volume = {13},
    issue = {11},
    pages = {592},
    year = {1971},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24348.shtml},
}