@article{ZVMMF_2007_47_3_a7,
     author = {D. P. Babii and S. K. Godunov and V. T. Zhukov and O. B. Feodoritova},
     title = {On the difference approximations of overdetermined hyperbolic equations of classical mathematical physics},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {445--459},
     publisher = {mathdoc},
     volume = {47},
     number = {3},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2007_47_3_a7/}
}