@article{PismaZhETF.52.1017,
    title = {Frequency dependence of the density of vibrational states in  glasses: Lognormal distribution},
    author = {Denisov, Yu. V. and Rylev, A. P.},
    journal = {Письма в ЖЭТФ},
    volume = {52},
    issue = {7},
    pages = {1017},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17525.shtml},
}