%0 Journal Article %T Effect of central bar’s thickness on the optimum sizes of lumber when cutting with saving three bars and a pair of side boards when considering taper of the log %A Agapov, A.I. %A Ivlikova, M.. %K cutting optimization, sawlogs, output, objective function, central bar, the Lagrangian function, optimal sizes %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