Olver, Peter J. <br/><br/>
Introduction to partial differential equations / 
Peter J. Olver. 
 - New York:  Springer,  2014 
 - xxv,635p 
<br/><br/><label>ISBN: </label>9783319020983 
<br/><br/><label>Subjects--Index Terms: </label>Differential equations,Partial 
<br/><br/><label>Universal Decimal Class. No.: </label>517.95    /  OLV