TY - JOUR AU - L. A. Kalyakin TI - Long wave asymptotics of asolution of a~hyperbolic system of equations JO - Sbornik. Mathematics PY - 1985 SP - 91 EP - 114 VL - 52 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1985_52_1_a5/ LA - en ID - SM_1985_52_1_a5 ER -