@article{ZVMMF_1994_34_1_a1,
     author = {A. Z. Ishmukhametov},
     title = {Conditions of stability and approximation in the optimal control of hyperbolic systems},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {12--28},
     publisher = {mathdoc},
     volume = {34},
     number = {1},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1994_34_1_a1/}
}