%0 Journal Article %A V. L. Ivanov %T Approximation of systems of hyperbolic equations that contain large parameters in the nondifferential terms %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1987 %P 1388-1394 %V 27 %N 9 %U http://geodesic.mathdoc.fr/item/ZVMMF_1987_27_9_a11/ %G ru %F ZVMMF_1987_27_9_a11