@article{SJVM_2012_15_4_a7,
     author = {T. Hou},
     title = {Error estimates and superconvergence of semidiscrete mixed methods for optimal control problems governed by hyperbolic equations},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {425--440},
     year = {2012},
     volume = {15},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJVM_2012_15_4_a7/}
}