TY  - JOUR
AU  - N. G. Marchuk
TI  - Reduction of the Cauchy problem for the wave equation to the Cauchy problem for a system of first-order equations
JO  - Differencialʹnye uravneniâ
PY  - 1984
SP  - 653
EP  - 659
VL  - 20
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1984_20_4_a11/
LA  - ru
ID  - DE_1984_20_4_a11
ER  -