TY - JOUR AU - F. T. Baranovskii TI - On a mixed boundary value problem for a hyperbolic equation with degenerate principal part JO - Doklady Akademii Nauk PY - 1977 SP - 13 EP - 16 VL - 237 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1977_237_1_a1/ LA - ru ID - DAN_1977_237_1_a1 ER -