Churchill, Ruel V. <br/><br/>
Complex Variables and Applications 

 - 3d ed. 
 - New York;  McGraw-Hill,  1974. 
 - x, 332 p.  illus.  23 cm. 
<br/><br/><label>ISBN: </label>0070108552 
<br/><br/><label>Dewey Class. No.: </label>515.9 CHU