Hyperbolic equations and frequency interactions  

 - Providence, R.I. :  American Mathematical Society, Institute for Advanced Study,  1999 
 - xii, 466 p. :  ill. ;  26 cm. 
 - IAS/Park City mathematics series,  v. 5 .
<br/><br/> Lecture notes from a summer program held in Park City, Utah, July 9-29, 1995. 
<br/><br/><label>ISBN: </label>0821805924 (alk. paper)