O'Neil, Peter V. , <br/><br/>
Beginning partial differential equations / 
Peter V. O'Neil. 
 - 3rd ed. 
 - ix, 438 pages :  illustrations ;  25 cm. 
<br/><br/><label>ISBN: </label>9781118629949 1118629949 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Partial.<br/>Mathematic --Differential Equations.
<br/><br/><label>LC Class. No.: </label>QA377   / .O54 2014