%0 Journal Article %T The increase in directional stability of the wheel tractor when driving on non-horizontal support surface %A Petrov, A.. %A Stenovsky, V.. %A Belousova, N.. %K tractor, slope, trajectory, stability, slip, tread. %J Forestry Engineering Journal %D 2016 %N 6 %P 8 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov