@article{PismaZhETF.4.124,
    title = {Self-focusing of a Homogeneous Light Beam in a Transparent Medium, Due to Weak Absorption},
    author = {Raizer, Yu. P.},
    journal = {Письма в ЖЭТФ},
    volume = {4},
    issue = {4},
    pages = {124},
    year = {1966},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24849.shtml},
}