@article{PismaZhETF.6.644,
    title = {О нелинейной оптики гиротропных сред},
    author = {Ахманов, С. А. and Жариков, В. И.},
    journal = {Письма в ЖЭТФ},
    volume = {6},
    issue = {5},
    pages = {644},
    year = {1967},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_12658.shtml},
}