TY JOUR TI Determination of the necessary conditions of optimality weighted functional in multicriteria problem KW multicriteria problem KW functional. JO Actual directions of scientific researches of the XXI century: theory and practice AU Salimgareev, N.. AU Butova, L.. AU Minaev, E.. PY 2014 IS PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov