TY - JOUR AU - Lou, Hongwei TI - Optimality conditions for semilinear parabolic equations with controls in leading term JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2011 SP - 975 EP - 994 VL - 17 IS - 4 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/cocv/2010034/ DO - 10.1051/cocv/2010034 LA - en ID - COCV_2011__17_4_975_0 ER -