TY JOUR TI Optimization of operational expenses of special equipment(technology) with use of the settlement program KW special technique KW aggressive factors KW calculation program JO Actual directions of scientific researches of the XXI century: theory and practice AU Shaybakov, R.. AU Zhukov, L.. AU Kravchenko, I.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov