Ukraine YurievaElenaVladimirovna Donetsk National Technical University, Donetsk, Artem st., 58 uriev79@mail.ru Read more about Yurieva Elena Vladimirovna DemenchukOlegVladimirovich Rivne Institute of Slavonic Studies of Kyiv Slavonic University, Ukraine, 33001, Rivne, Petra Mogyly street, 28 dema1968@mail.ru Read more about Demenchuk Oleg Vladimirovich