@article{PismaZhETF.8.209,
    title = {Gascade Ionization of Gas in a High-intensity Light Field},
    author = {Afanas'ev, Yu. V. and Belenov, E. M. and Krokhin, O. N.},
    journal = {Письма в ЖЭТФ},
    volume = {8},
    issue = {4},
    pages = {209},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25977.shtml},
}