Schwerdtfeger, Hans  <br/><br/>
Geometry of complex numbers 

 - New York.  Dover Publication,  1979; 
 - 200 p.;  ill.;  22 c.m.; 
<br/><br/><label>ISBN: </label>9780486638300 
<br/><br/><label>Dewey Class. No.: </label>516  / SCH