TY - JOUR AU - S. Yu. Dobrokhotov AU - S. B. Medvedev AU - D. S. Minenkov TI - On Replacements Reducing One-Dimensional Systems of Shallow-Water Equations to the Wave Equation with Sound Speed $c^2=x$ JO - Matematičeskie zametki PY - 2013 SP - 716 EP - 727 VL - 93 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2013_93_5_a5/ LA - ru ID - MZM_2013_93_5_a5 ER -