%0 Journal Article
%A N. G. Marchuk
%T Reduction of the Cauchy problem for the wave equation to the Cauchy problem for a system of first-order equations
%J Differencialʹnye uravneniâ
%D 1984
%P 653-659
%V 20
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1984_20_4_a11/
%G ru
%F DE_1984_20_4_a11