@article{PismaZhETF.12.473,
    title = {Laser Operating in the Vacuum Region of the Spectrum by Excitation of Liquid Xenon with an Electron Beam},
    author = {Basov, H. G. and Danilychev, V. A. and Popov, Yu. M. and Khodkevich, D. D.},
    journal = {Письма в ЖЭТФ},
    volume = {12},
    issue = {10},
    pages = {473},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26361.shtml},
}