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

 - 5th /   1990. 
 - New Delhi:  Mc Graw-Hill,  1990. 
 - 361p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Mathematics, Functions of complex varibles. 
<br/><br/><label>Dewey Class. No.: </label>515.9