1. Moscow Institute of Physics and Technology (National Research University), 9 Institutskiy per., Dolgoprodny, Moscow Region, Russian Federation.
2. Adyghe State University, ul. Pervomayskaya, 208, Maykop, Republic of Adygea, Russian Federation.
3. Moscow Institute of Physics and Technology National Research University, 9 Institutskiy per., Dolgoprodny, Moscow Region, Russian Federation, Adyghe State University, Caucasus Mathematical Center, ul. Pervomayskaya, 208, Maykop, Republic of Adygea, Russian Federation, and Russian Presidential Academy of National Economy and Public Administration, Prospect Vernadskogo, 84, Building 2, Moscow, Russian Federation.