D.S. Khlebnikova1, М. Tamboura2, М.V. Chichkov3, Е.А. Gosteva4

1–4 National Research Technological University "MISIS" (Moscow, Russia)

4 Peoples' Friendship University of Russia (Moscow, Russia)

1 dariaoft@gmail.com, 2 mamadoutamboura@yahoo.fr, 3 maxim.chichkov@gmail.com, 4 gos-3@mail.ru