TY  - BOOK
AU  - Beardon,Alan F.
TI  - The geometry of discrete groups
T2  - Graduate Texts in Mathematics
SN  - 0387907882
AV  - QA171 .B364 1983
PY  - 1983///
CY  - New York
PB  - Sprinder-Verlag
KW  - Discrete groups
KW  - Isometrics (Mathematics)
KW  - Mobius transformations
KW  - Geometry, Hyperbolic
N1  - Bibliography: pages [329]-333
ER  -