Rauch, Jeffrey <br/><br/>
Hyperbolic partial differential equations and geometric optics 

 - New York;  AMS,  2012 
 - xiv,363p.:  ill.;  24cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>978-0-8218-7291-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Singularities<br/>Microlocal analysis<br/>Geometrical optics - mathematics
<br/><br/><label>LC Class. No.: </label>MATH QC20 .7.S54 R38