Bender, Carl M. <br/><br/>
Advanced mathematical methods for scientists and engineers :  asymptotic methods and perturbation theory / 
Carl M. Bender and Steven A. Orszag 
 - New York :  Springer,  2010 
 - xiv, 593 p. :  ill. ;  24cm. 
<br/><br/>Includes bibliographical  references and index 
<br/><br/><label>ISBN: </label>9781441931870 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering mathematics<br/> Differential equations--Numerical solutions