TY  - BOOK
TI  - Hyperbolic equations and frequency interactions 
T2  - IAS/Park City mathematics series,
SN  - 0821805924 (alk. paper)
PY  - 1999///
CY  - Providence, R.I.
PB  - American Mathematical Society, Institute for Advanced Study
N1  - Lecture notes from a summer program held in Park City, Utah, July 9-29, 1995
ER  -