Affiliation: | 1. Moscow Institute of Physics and Technology (National Research University), Department of Discrete Mathematics, Dolgoprudny, Moscow Region, Russian Federation;2. Lomonosov Moscow State University, Faculty of Mechanics and Mathematics, Moscow, Russian Federation;3. Adyghe State University, Caucasus Mathematical Center, Maykop, Republic of Adygea, Russian Federation;4. Institute of Mathematics and Computer Science, Buryat State University, Ulan-Ude, Buryat Republic, Russian Federation;5. The Russian Presidential Academy of National Economy and Public Administration, Moscow, Russian Federation;6. Moscow Center for Fundamental and Applied Mathematics, Moscow, Russian Federation |