Andreieva, D. M. , V. N. Karazin Kharkiv National university, Svobody sqr., 4, Kharkiv, Ukraine, 61022 Andreieva, Daria, V. N. Karazin Kharkiv National University, Svobody sqr., 4, Kharkiv, Ukraine, 61022 Andriienko, T. V., V. N. Karazin Kharkiv National University