TY - JOUR AU - K. A. Kasymov AU - B. M. Kadykenov TI - The Cauchy problem with initial jump for singularly perturbed linear hyperbolic equations degenerating into a first-order equation JO - Differencialʹnye uravneniâ PY - 1983 SP - 2114 EP - 2122 VL - 19 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1983_19_12_a11/ LA - ru ID - DE_1983_19_12_a11 ER -