Симферополь TretyakSergey S. Crimean Federal University named after V.I. Vernadsky, 295007, Simferopol, Academician Vernadsky Avenue, 4Sergey280497@mail.ru Read more about Tretyak Sergey S. KhalanskayaLarisaG. Crimean Federal University named after V.I. Vernadsky, 295007, Simferopol, Academician Vernadsky Avenue, 4larazbritskaya@gmail.com Read more about Khalanskaya Larisa G. ChudomekhV.N. Crimean Engineering Pedagogical University, 295015 Simferopol, Uchebnyy Lane, 8chudovnik@mail.ru Read more about Chudomekh V. N. PashkovskyPetrI. Crimean Federal University named after V.I. Vernadsky, 295007, Simferopol, Academician Vernadsky Avenue, 4petr.pash@yandex.ru Read more about Pashkovsky Petr I. KuzminPetrV. Tavricheskaya Academy of Crimean Federal University named after V.I. Vernadsky, Simferopol, Academician Vernadsky Prospekt, 4pv.kuzmin@mail.ru Read more about Kuzmin Petr V.