Schwerdtfeger, Hans <br/><br/>
Geometry of complex numbers : Circle geometry, moebius transformation, non-Euclidian geometry /  
Hans Schwerdtfeger. 
 - 1a ed. 
 - New York :   Dover Publications,   1979 
 - xiii, 200 p. :  íl. ;  21 cm. 
<br/><br/>Incluye apéndice, bibliografía e índice 
<br/><br/><label>ISBN: </label>0486638308 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometria moderna
<br/><br/><label>LC Class. No.: </label>QA484   / S39 1979