00599naa#a2200169#i#450# EN\\bibl\3909 20260117011148.6 2308-8877 20141113b2014####ek#y0engy0150####ca RUS RU Optimal control problems for quasilinear elliptic equations with optimality criterion on the border Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 1 с. Journal article local Kasymova R. naukaru.ru