TY - JOUR AU - S. Yu. Nazarov TI - A boundary value problem for a degenerate hyperbolic equation JO - Differencialʹnye uravneniâ PY - 1985 SP - 2003 EP - 2005 VL - 21 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1985_21_11_a22/ LA - ru ID - DE_1985_21_11_a22 ER -