TY - JOUR AU - F. T. Baranovskii TI - A~mixed boundary value problem for a~hyperbolic equation with degenerate principal part JO - Sbornik. Mathematics PY - 1982 SP - 499 EP - 513 VL - 43 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1982_43_4_a3/ LA - en ID - SM_1982_43_4_a3 ER -