Shpotyuk, M.     Studying of defect configurations in As-S glasses with quantum-chemical cluster modeling [Текст] / M. Shpotyuk, O. Shpotyuk, M. Hyla та ін. // Clusters and nanostructured materials : progr. and materials of intern. meet., Uzhhorod, Ukraine, 12-16 Oct. 2015 / Nat. Acad. of Sciences of Ukraine, Inst. of Physics, G. V. Kurdyumov Inst. of Metal Physics, Inst. of Physics V. E. Lashkaryov, Inst. for Inform. Recording, Uzhgorod Sci.-Techn. Center of the Inst. for Inform. Recording, Uzhgorod Nat. Univ. — Uzhgorod, 2015. — P. 126.