@article{PismaZhETF.14.564,
    title = {Character of Singularity and Stochastic Phenomena in Self Focusing},
    author = {Zakharov, V. E. and Sobolev, V. V. and Synakh, V. S.},
    journal = {Письма в ЖЭТФ},
    volume = {14},
    issue = {10},
    pages = {564},
    year = {1971},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24980.shtml},
}