TY JOUR TI The problem of evaluation of quality management multistage technological processes KW quality management system KW probabilistic approach KW the optimization problem of operational quality management KW functional dependencies stage multistep processes. JO Actual directions of scientific researches of the XXI century: theory and practice AU Safonova, Y.. AU Tkachev, A.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov