@article{DAN_1961_141_3_a8,
     author = {J. Kop\'a\v{c}ek},
     title = {Solution of the {Cauchy} problem for hyperbolic equations by the method of finite differences},
     journal = {Doklady Akademii Nauk},
     pages = {551--554},
     publisher = {mathdoc},
     volume = {141},
     number = {3},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_141_3_a8/}
}