Churchil, Ruel V. <br/><br/>
Complex variables and applications 

 - 2nd ed. 
 - New York  Mcgraw-hill Book Company, Inc.  1974, 2009. 
 - ix, 297p. 
<br/><br/><label>ISBN: </label>9780071263283 
<br/><br/><label>Subjects--Index Terms: </label>Functions of comples variables  Variables, Complex 
<br/><br/><label>Dewey Class. No.: </label>515.9  / CHU