Keener, James P <br/><br/>
Principles of applied mathematics  transformation and approximation 

 - Rev ed. 
 - Cambridge  Perseus Books  2000 
 - xi,603p.  22cm 
<br/><br/><label>ISBN: </label>0738201294 
<br/><br/><label>Dewey Class. No.: </label>519  / KEE