@article{PismaZhETF.9.568,
    title = {Narrow Resonances in the Saturation of Absorption of $SF_6$ by $CO_2$ Laser Emission},
    author = {Basov, N. G. and Kompanets, I. N. and Kompanets, O. N. and Letokhov, V. S. and Nikitin, V. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {9},
    issue = {10},
    pages = {568},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25400.shtml},
}