TY JOUR TI Establishment of rational parameters of multioperational machines in the logging industry KW mathematical model KW Kolmogorov equation KW logging machines. JO Actual directions of scientific researches of the XXI century: theory and practice AU Ignatenko, V.. AU Leonov , E.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov