Systems of conservation laws 
Serre, D. 
 - Cambridge ; | New York :  Cambridge University Press,  1999 
 - 2 v. :  ill. ;  26 cm. 
<br/><br/> Vol. 2 cover title: Geometric structures, oscillation, and mixed problems. 
<br/><br/><label>ISBN: </label>0521582334 (v. 1) | 0521633303 (v. 2)