TY  - BOOK
AU  - Beardon, Alan, F.
TI  - Geometry of discrete groups
T2  - Graduate texts in mathematics
U1  - 512.2 
PY  - 1983///
CY  - New York
PB  - Springer-Verlag
KW  - Discrete groups
KW  - Isometries
KW  - Mobius transformations
ER  -