TY - JOUR AU - T. Hou TI - Error estimates and superconvergence of semidiscrete mixed methods for optimal control problems governed by hyperbolic equations JO - Sibirskij žurnal vyčislitelʹnoj matematiki PY - 2012 SP - 425 EP - 440 VL - 15 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJVM_2012_15_4_a7/ LA - ru ID - SJVM_2012_15_4_a7 ER -