%0 Journal Article %T DETERMINING THE CONTACT SPOT OF ULTRA-LOW PRESSURE TIRES 1020X420-18 BEL-79 FOR SMALL-CLASS FORESTRY EQUIPMENT %A Artyomov, A.V. %A Goncharenko, S.V. %A Pryadkin, V.I. %K ultra-low pressure tire, tire deformation, contact spot, machine patency %J Actual directions of scientific researches of the XXI century: theory and practice %D 2020 %N 8 %P 6 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov