@article{PismaZhETF.60.163,
    title = {Laser crystal with nonreciprocal feedback as a parametric mirror which performs passive optical phase conjugation},
    author = {Antipov, O. L. and Belyaev, S. I. and Kuzhelev, A. S.},
    journal = {Письма в ЖЭТФ},
    volume = {60},
    issue = {3},
    pages = {163},
    year = {1994},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20002.shtml},
}