TY - JOUR AU - M. S. Salakhitdinov AU - M. Mirsaburov TI - Some boundary value problems for a hyperbolic equation that degenerates inside the domain JO - Differencialʹnye uravneniâ PY - 1981 SP - 129 EP - 136 VL - 17 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1981_17_1_a15/ LA - ru ID - DE_1981_17_1_a15 ER -