00345nam a2200121Ia 4500082001800000100003900018245005000057260002500107300001900132490003400151500000500185700003300190  a530.2bJ46.AM  aJeffrey, Alan and Kawahara, Takuji  aAsymototic methods in nonlinear wave theoryb  aBostonbPitmanc1982  ax, 256p. Index  aApplicable Mathematics series  a  aKawahara, Takuji ; jt. auth.