TY - JOUR AU - L. A. Kalyakin TI - Long wave asymptotics. Integrable equations as asymptotic limits of non-linear systems JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1989 SP - 3 EP - 42 VL - 44 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1989_44_1_a1/ LA - en ID - RM_1989_44_1_a1 ER -