TY - JOUR AU - Z. Lu TI - A~posteriori error estimates of finite element methods for nonlinear quadratic boundary optimal control problem JO - Sibirskij žurnal vyčislitelʹnoj matematiki PY - 2011 SP - 261 EP - 276 VL - 14 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJVM_2011_14_3_a2/ LA - ru ID - SJVM_2011_14_3_a2 ER -