@article{PismaZhETF.11.57,
    title = {Stationary State of Electrons in a Nonequilibrium Radiation Field},
    author = {Zel'dovich, Ya. B. and Levich, E. V.},
    journal = {Письма в ЖЭТФ},
    volume = {11},
    issue = {1},
    pages = {57},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26055.shtml},
}