@article{PismaZhETF.23.3,
    title = {Threshold phenomena in Raman scattering of light by polaritons},
    author = {Levinson, I. B. and Maksimov, I. L.},
    journal = {Письма в ЖЭТФ},
    volume = {23},
    issue = {1},
    pages = {3},
    year = {1976},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27407.shtml},
}