1. Department of Applied Mathematics Vologda State University, S. Orlova 6, Vologda , Russian Federation
2. Institute of Socio-Economic Development of Territories Russian Academy of Sciences, 56A Gorky Street, Vologda , Russian Federation
3. Institute of Informatics Problems Russian Academy of Sciences, Vavilova 44-2, Moscow , 119333, Russian Federation
4. Applied Probability and Informatics Department Peoples’ Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya, Moscow , 117198, Russian Federation
5. Faculty of Computational Mathematics and Cybernetics Lomonosov Moscow State University, Leninskie Gory, Moscow , Russian Federation