TY JOUR TI Economical and mathematical modeling in the enterprise management system KW management KW simulation management KW economic and mathematical modeling KW management information. JO Actual directions of scientific researches of the XXI century: theory and practice AU Shatalov, M.. AU Mychka, S.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov