TY - JOUR AU - K. A. Kasymov TI - Asymptotics of the solution of the problem with initial jump for second order hyperbolic equations that contain a small parameter JO - Doklady Akademii Nauk PY - 1970 SP - 28 EP - 31 VL - 195 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1970_195_1_a5/ LA - ru ID - DAN_1970_195_1_a5 ER -