@article{PismaZhETF.76.650,
    title = {On the theory of Boson peak in glasses},
    author = {Gurevich, V. L. and Parshin, D. A. and Schober, H. R.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {76},
    issue = {9},
    pages = {650},
    year = {2002},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_9485.shtml},
}