@article{PismaZhETF.20.108,
    title = {Atmospheric-pressure $CO_2$ laser with nonautonomous discharge controlled by ultraviolet radiation},
    author = {Velikhov, E. P. and Muratov, E. A. and Pis'mennyi, V. D. and Prokhorov, A. M. and Rakhimov, A. T.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {20},
    issue = {2},
    pages = {108},
    year = {1974},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27199.shtml},
}