De Moura, C.A & Kubrusly, C.S (eds) <br/><br/>
Courant-friedrichs-lewy (CFL) condition  80 years after its discovery 
Ed by C.A. De Moura & C.S. Kubrusly 
 - New York  Springer  2013 
 - xii  237 
<br/><br/><label>ISBN: </label>9780817683931