00331nam a2200109Ia 4500008004100000040003800041100001300079245005200092260005000144300001100194653001600205211214s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aDeaux, R 0aIntroduction to the geometry of complex numbers  bFrederick ungar publishing coaNew Yorkc1956  a208 p.  aMathematics