Institution: | 1.Department of Theoretical Physics, Kursk State University, Radishcheva, 33, Kursk, Russia, 305000 ;2.Center for Information Systems Development and Data Analysis, Kursk State University, Radishcheva, 33, Kursk, Russia, 305000 ;3.Institute of Chemistry, University of Silesia, Szkolna 9, Katowice, 40-006, Poland ; |