M.O. Danilov

Vernadskii Institute of General & Inorganic Chemistry of Nat. Acad. Sci., Kyiv, Ukraine

I.A. Slobodyanyuk

Vernadskii Institute of General & Inorganic Chemistry of Nat. Acad. Sci., Kyiv, Ukraine

I.A. Rusetskii

Vernadskii Institute of General & Inorganic Chemistry of Nat. Acad. Sci., Kyiv, Ukraine

G.I. Dovbeshko

Institute of Physics Nat. Acad. Sci., Kyiv, Ukraine

G.Ya. Kolbasov

Vernadskii Institute of General & Inorganic Chemistry of Nat. Acad. Sci., Kyiv, Ukraine