TY JOUR TI MATHEMATICAL MODEL DISPENSING MATERIALS KW automation dosing accuracy KW differential equation KW the coefficients of variables. JO Actual directions of scientific researches of the XXI century: theory and practice AU Polyakov, S.. AU Borodin, M.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov