TY - JOUR AU - Z. O. Mel'nik TI - A nonclassical boundary value problem for a first-order hyperbolic system with two independent variables JO - Differencialʹnye uravneniâ PY - 1981 SP - 1096 EP - 1104 VL - 17 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1981_17_6_a14/ LA - ru ID - DE_1981_17_6_a14 ER -