%0 Journal Article %A V. A. Rastrenin %T The application of a certain difference method to abstract hyperbolic equations %J Differencialʹnye uravneniâ %D 1973 %P 2222-2226 %V 9 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1973_9_12_a13/ %G ru %F DE_1973_9_12_a13