@article{PismaZhETF.48.593,
    title = {Absolute instability of oppositely directed waves without a frequency detuning},
    author = {Anikeev, I. Yu. and Glazkov, D. A. and Zubarev, I. G. and Mikhailov, S. I.},
    journal = {Письма в ЖЭТФ},
    volume = {48},
    issue = {11},
    pages = {593},
    year = {1988},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16802.shtml},
}