SCHWERDTFEGER, H. <br/><br/>
GEOMETRY OF COMPLEX NUMBERS:CIRCLE GEOMETRY,MOEBIUS TRANSFORMATION,NON-EUCLIDEAN 

 - NEW YORK  DOVER  1979 
 - x+200p.,21X14Cms. 
<br/><br/><label>ISBN: </label>0486688308 
<br/><br/><label>Dewey Class. No.: </label>517.8 S413