Spiegel, Murray R. <br/><br/>
Complex variables 
by Murray R Spiegel., et al 
 - 2nd ed 
 - New Delhi  McGraw Hill  2009 
 - xiii, sectional. 
 -  Schaum's Outlines Series .
<br/><br/><label>ISBN: </label>9780070085381 
<br/><br/><label>Dewey Class. No.: </label>515.9  / P092 (CHEP)