%0 Journal Article %T Increase of efficiency of removal of stubs by the mechanism with the hydropulsation drive %A Druchinin, D.Y. %A Popikov, V.P. %A Bakaev , A.. %K grubbing, machine, mathematical model, pulsation %J Actual directions of scientific researches of the XXI century: theory and practice %D 2014 %N 2 %P 4 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov