Churchill, Ruel V.Brown, James Ward. <br/><br/>
Complex variables and applications. 

 - fourth edition. 
 - Auckland :  McGraw-hill,  c1984. 
 - ix, 339 pagesillustrations. 
<br/><br/> Includes bibliography and index. 
<br/><br/><label>ISBN: </label>007y662207 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functions of complex variables.