1. N.V. Troitsky Voronezh State Technical University,Department of building and structural design,Voronezh,Russia
2. Voronezh State Technical University,Department of Applied Mathematics and Mechanics,Voronezh,Russia
3. Universitâ degli Studi di Brescia,Department of Information Engineering,Brescia,Italy
4. Voronezh State Technical University,Department of Innovation,Voronezh,Russia