TY - JOUR AU - V. L. Ivanov TI - Approximation of systems of hyperbolic equations that contain large parameters in the nondifferential terms JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1987 SP - 1388 EP - 1394 VL - 27 IS - 9 UR - http://geodesic.mathdoc.fr/item/ZVMMF_1987_27_9_a11/ LA - ru ID - ZVMMF_1987_27_9_a11 ER -