TY - JOUR AU - A. I. Vahabov TI - A mixed problem for a hyperbolic system in space JO - Differencialʹnye uravneniâ PY - 1976 SP - 305 EP - 308 VL - 12 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1976_12_2_a13/ LA - ru ID - DE_1976_12_2_a13 ER -