@article{PismaZhETF.1.21,
    title = {Spectral characteristics of a gas laser with traveling wave},
    author = {Bagaev, S. N. and Kuznetsov, V. S. and Troitskii, Yu. V. and Troshin, B. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {1},
    issue = {4},
    pages = {21},
    year = {1965},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24417.shtml},
}