TY - JOUR AU - B. A. Dubrovin AU - S. P. Novikov TI - Hamiltonian formalism of one-dimensional systems of hydrodynamic type, and the Bogolyubov--Whitham averaging method JO - Doklady Akademii Nauk PY - 1983 SP - 781 EP - 785 VL - 270 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1983_270_4_a1/ LA - ru ID - DAN_1983_270_4_a1 ER -