@article{ZVMMF_1969_9_2_a9,
     author = {K. M. Magomedov and A. S. Kholodov},
     title = {The construction of difference schemes for equations of hyperbolic type on the basis of characteristic ratios},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {373--386},
     publisher = {mathdoc},
     volume = {9},
     number = {2},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1969_9_2_a9/}
}