1. Northern (Arctic) Federal University named after M.V. Lomonosov,Dept. of Information Systems and Information Security,Arkhangelsk,Russia
2. Northern (Arctic) Federal University named after M.V. Lomonosov,Dept. of of Higher and Applied Mathematics,Arkhangelsk,Russia
3. Northern (Arctic) Federal University named after M.V.Lomonosov,Dept. of Philosophy and Sociology,Arkhangelsk,Russia