H.A. Safa1, A.V. Kiselev2, V.Yu. Batumsky3
1, 2 Peoples' Friendship University of Russia named after Patrice Lumumba (Moscow, Russia)
3 Regional Public Organization for the Promotion of Activities in the Field of Arts «Union of Pop Artists» (Yuzhno-Sakhalinsk, Russia)

1 sa.programmer1@gmail.com, 2 kiselyov.av@gmail.com, 3 batumski@batumski.ru