CHURCHILL, Ruel V. <br/><br/>
Complex variales and Applications 

 - 4th ed 
 - Auckland  Mcgraw hill international boo  k co       1984 
 - x, 339p. 
<br/><br/><label>ISBN: </label>07Y662207 
<br/><br/><label>Dewey Class. No.: </label>515.9