Colombini, F & Murthy, M.K.V (eds) <br/><br/>
Hyperbolic equations  proceedings of the conference university of Padova, 1985 
Ed by F. Colombini & M.K.V. Murthy 
 - UK  Longman  1987 
 - 286 
 - Pitman research notes in mathematics series 158 .
<br/><br/><label>ISBN: </label>9780582988910 
<br/><br/><label>Dewey Class. No.: </label>10.05  / COLO