Gockenbach, Mark S. <br/><br/>
Partial differential equations :  analytical and numerical methods / 
Mark S. Gockenbach 
 - 2nd ed. 
 - Philadelphia :  Society for Industrial and Applied Mathematics,  c2011 
 - xx, 654 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780898719352 (hbk.) 0898719356 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Partial