TY - JOUR AU - F. T. Baranovskii TI - A mixed problem for a second order degenerate hyperbolic equation with two variables JO - Differencialʹnye uravneniâ PY - 1978 SP - 1424 EP - 1438 VL - 14 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1978_14_8_a7/ LA - ru ID - DE_1978_14_8_a7 ER -