Churchill, R.N., et al <br/><br/>
Complex variables & applications 
R.N. Churchill, et al 
 - 3 
 - Tokyo  McGraw-Hill  1974 
 - x  332 
<br/><br/><label>ISBN: </label>0070108552 
<br/><br/><label>Dewey Class. No.: </label>4.08  / CHUR