TY JOUR TI Difference approximation to the optimal control problem for the heat transfer equation with boundary integral condition KW optimal control KW equation heat transfer KW difference approximation JO Actual directions of scientific researches of the XXI century: theory and practice AU Gabibov, V.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov