@article{PismaZhETF.13.496,
    title = {CW Chemical Laser Using $DF-CO_2$},
    author = {Basov, N. G. and Gromov, V. V. and Koshelev, E. L. and Markin, E. P. and Oraevskii, A. N. and Shapovalov, D. S. and Shcheglov, V. A.},
    journal = {Письма в ЖЭТФ},
    volume = {13},
    issue = {9},
    pages = {496},
    year = {1971},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24320.shtml},
}