Jeffrey, A & Kawahara, T <br/><br/>
Asymptotic methods in nonlinear wave theory 
A. Jeffrey & T. Kawahara 
 - Boston  Pitman Advanced Publishing Program  1982 
 - x  256 
 - Applicable mathematics series .
<br/><br/><label>ISBN: </label>0273085093 
<br/><br/><label>Dewey Class. No.: </label>6.05+4.04  / JEFF