TY JOUR TI Explicit asymptotics for tsunami waves in framework of the piston model KW tsunami KW asymptotics KW dispersion-less piston model KW wavefront KW wave-profile. JO Russian Journal of Earth Sciences AU Dobrokhotov, S.Y. AU Sekerzh-Zenkovich, S.Y. AU Tirozzi, B.. AU Volkov, B.. PY 2006 IS 8 PB Geophysical Center of the Russian Academy of Sciences