Alexander Voitsekhovskii, I.I. IZHNIN, K.D. MYNBAEV, J. MORGIEL, Z. SWIATEK, A.G. KOROTAEV, O.I. FITSYCH, O.YU. BONCHYK, H.V. SAVYTSKYY, V.S. VARAVIN, S.A. DVORETSKY, N.N. MIKHAILOV, M.V. YAKUSHEV
Tomsk State University, Tomsk, Russian Federation