@article{VMP_2016_17_3_a10,
     author = {D. A. Ivanov},
     title = {Increasing regularity of generalized solutions to the wave equation for computing optimal boundary controls},
     journal = {Numerical methods and programming},
     pages = {299--308},
     publisher = {mathdoc},
     volume = {17},
     number = {3},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMP_2016_17_3_a10/}
}