TY JOUR TI DEVELOPMENT OF MODELS OF TRANSPORT AND DISTRIBU-TIVE TASKS FOR VARIOUS CATEGORIES OF FOREST AREAS KW Transportation problem KW optimization KW planning JO Voronezh Scientific-Technical Bulletin AU Ivannikov, V.A. AU Sushkov, S.I. AU Nikonov, V.O. PY 2015 IS 4 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov