TY JOUR TI Optimal control problems for quasilinear elliptic equations with optimality criterion on the border KW optimal control of quasilinear elliptic equations KW optimality condition. JO Actual directions of scientific researches of the XXI century: theory and practice AU Kasymova, R.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov