@article{PismaZhETF.45.420,
    title = {Raman-scattering manifestation of a spatial modulation of the order parameter in a $NaN0_2$ crystal},
    author = {Belousov, M. V. and Vershovskaya, G. Yu. and Kurmanbaev, M. S.},
    journal = {Письма в ЖЭТФ},
    volume = {45},
    issue = {9},
    pages = {420},
    year = {1987},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18811.shtml},
}