S. E. Gvozdyanyy
National University of Science and Technology “MISIS”; JSC “Vyksa Metallurgical Plant”
Russian Federation

Semyon E. Gvozdyanyy – Postgraduate Student

4-1 Leninskiy Ave., Moscow 119049

45 Brat’yev Batashevykh Str., Vyksa, Nizhny Novgorod Region 607060

A. V. Myaskov
National University of Science and Technology “MISIS”
Russian Federation

Alexander V. Myaskov – Dr.Sci. (Econ.), Professor, Director of the Mining Institute

4-1 Leninskiy Ave., Moscow 119049