@article{PismaZhETF.5.61,
    title = {Self-focusing of Light in the Kerr Effect},
    author = {Chaban, A. A.},
    journal = {Письма в ЖЭТФ},
    volume = {5},
    issue = {2},
    pages = {61},
    year = {1967},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25097.shtml},
}