@article{IVM_2001_1_a6,
     author = {G. I. Shishkin},
     title = {Grid approximation of a~wave equation singularly perturbed with respect to the space variable},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {67--81},
     publisher = {mathdoc},
     number = {1},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2001_1_a6/}
}