@article{ZVMMF_1974_14_2_a11,
     author = {M. N. Moskal'kov},
     title = {The accuracy of difference schemes approximating the wave equation that have piecewise smooth solutions},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {390--401},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1974_14_2_a11/}
}