@article{SJVM_2013_16_2_a7,
     author = {T. Hou},
     title = {Superconvergence and a~posteriori error estimates of {RT1} mixed methods for elliptic control problems with an integral constraint},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {185--199},
     publisher = {mathdoc},
     volume = {16},
     number = {2},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJVM_2013_16_2_a7/}
}