4. Conclusions
The research was carried out at BMSTU. This work was supported by a grant of the main part of the state order "Organization of scientific research" and project # 3.1426.2014K from the Ministry of Education and Science of the Russian Federation.
Acknowledgments
The research was carried out at BMSTU. This work was supported by a grant of the main part of the state order "Organization of scientific research" and project # 3.1426.2014K from the Ministry of Education and Science of the Russian Federation.