TY - JOUR AU - Lu, Zuliang TI - New a posteriori $L^{\infty }(L^2) $ and $L^2(L^2)$-error estimates of mixed finite element methods for general nonlinear parabolic optimal control problems JO - Applications of Mathematics PY - 2016 SP - 135 EP - 163 VL - 61 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1007/s10492-016-0126-x/ DO - 10.1007/s10492-016-0126-x LA - en ID - 10_1007_s10492_016_0126_x ER -