TY - JOUR AU - Zuliang Lu AU - Yanping Chen TI - $L^\infty$-error estimates of triangular mixed finite element methods for optimal control problems governed by semilinear elliptic equations JO - Sibirskij žurnal vyčislitelʹnoj matematiki PY - 2009 SP - 91 EP - 105 VL - 12 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJVM_2009_12_1_a6/ LA - ru ID - SJVM_2009_12_1_a6 ER -