%0 Journal Article %T Definition and test results end hardness of the wood stumps lesoparkovy trees %A Fedorov, O.. %A Rybalkin, D.. %K stumps, hardness, cutting. %J Actual directions of scientific researches of the XXI century: theory and practice %D 2015 %N 3 %P 3 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov