Churchill, Ruel V. . <br/><br/>
Introduction to Complex Variables and Applications /  Textual Documents 
Ruel V.Churchill. 
 - 1st ed. / 
 - New York :  McGraw - Hill book company ,  1948. 
 - vi,213p. :  ill ;  23cm . 
<br/><br/>Index 
<br/><br/><label>Subjects--Index Terms: </label>Complex Variables G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>517.8  / C 473 In