@article{PismaZhETF.3.137,
    title = {Self-focusing of Light. Role of Kerr Effect and Striction},
    author = {Zel'dovich, Ya. B. and Raizer, Yu. P.},
    journal = {Письма в ЖЭТФ},
    volume = {3},
    issue = {3},
    pages = {137},
    year = {1966},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24707.shtml},
}