TY - JOUR AU - A. Dzhuraev TI - Mixed problems for first-order hyperbolic systems JO - Doklady Akademii Nauk PY - 1988 SP - 1301 EP - 1305 VL - 302 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1988_302_6_a3/ LA - ru ID - DAN_1988_302_6_a3 ER -