This title appears in the Scientific Report : 2002 

On the theory of Boson peak in glasses
Gurevich, V. L.
Parshin, D. A. / Schober, H. R.
Theorie III; IFF-TH-III
JETP letters, 76 (2002) S. 553 - 557
Heidelberg [u.a.] Springer 2002
553 - 557
Journal Article
Kondensierte Materie
JETP Letters 76
Description not available.