@article{PismaZhETF.4.61,
    title = {Beam Laser for the Infrared Band},
    author = {Basov, N. G. and Oraevskii, A. I. and Shcheglov, V. A.},
    journal = {Письма в ЖЭТФ},
    volume = {4},
    issue = {2},
    pages = {61},
    year = {1966},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24828.shtml},
}