Klym, H.     Effect of CsCl on the optical spectra of the GeS2-Ga2S3 glasses [Текст] / H. Klym, I. Karbovnyk, O. Shpotyuk та ін. // Nanotechnology and nanomaterials : book of abstr. intern. research and practice conf., Aug. 26-29, 2015, Lviv, Ukraine / Nat. Acad. of Sciences of Ukraine, Inst. of Physics of NAS of Ukraine, Europ. Profiles A. E. (Greece), Inst. of Physics of the Univ. of Tartu (Estonia), Univ. of Turin (Italy), Pierre and Marie Curie Univ. (France), I. Franko Nat. Univ. of Lviv. — Lviv, 2015. — P. ??.