@article{TM_2015_291_a9,
     author = {D. A. Ivanov and M. M. Potapov},
     title = {Approximate solution to a time optimal boundary control problem for the wave equation},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {112--127},
     year = {2015},
     volume = {291},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2015_291_a9/}
}