@article{DE_1973_9_12_a13,
     author = {V. A. Rastrenin},
     title = {The application of a certain difference method to abstract hyperbolic equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2222--2226},
     publisher = {mathdoc},
     volume = {9},
     number = {12},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1973_9_12_a13/}
}