@article{ZVMMF_2006_46_12_a7,
     author = {M. M. Potapov},
     title = {Approximate solutions to {Dirichlet} control problems for the wave equation in {Sobolev} classes and dual observation problems},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {2191--2208},
     publisher = {mathdoc},
     volume = {46},
     number = {12},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2006_46_12_a7/}
}