TY JOUR TI Mathematical model of transportation of timber KW transport system of the forest KW digraph KW improving the sustainability of the system. JO Actual directions of scientific researches of the XXI century: theory and practice AU Kruchinin, I.N. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov