@article{MZM_2016_100_6_a4,
     author = {S. Yu. Dobrokhotov and A. Yu. Anikin},
     title = {Approximation of {Solutions} of the {Two-Dimensional} {Wave} {Equation} with {Variable} {Velocity} and {Localized} {Right-Hand} {Side} {Using} {Some} {``Simple''} {Solutions}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {825--837},
     publisher = {mathdoc},
     volume = {100},
     number = {6},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2016_100_6_a4/}
}