Butler, Ronald W <br/><br/>
Saddlepoint approximations with applications 
Ronald W. Butler 
 - Cambridge  Cambridge University Press  2007 
 - xi, 564 p. : ill. ; 26 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780521872508 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Method of steepest descent (Numerical analysis)
<br/><br/><label>Dewey Class. No.: </label>511.4 BUT