%0 Journal Article %T Study of the frictional properties of brake pads with different relief of oil ducts %A Polyakov, N.. %K friction, oil film, equipment, optimization. %J Forestry Engineering Journal %D 2015 %N 5 %P 7 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov