TY  - BOOK
AU  - Schwerdtfeger, Hans.
TI  - Geometry of complex numbers: circle geometry, Moebius transformation, non-euclidean geometry 
SN  - 0486638308
PY  - 1979///
CY  - New York
PB  - Dover
KW  - Numbers, Complex
KW  - Geometry
KW  - Functions of complex variables
KW  - Analytic functions
N1  - Includes index; Bibliography: p. [191]-198
ER  -