TY  - BOOK
AU  - Coxeter,H.S.M.
TI  - Non-Euclidean geometry
T2  - Mathematical expositions
AV  - QA685 .C78 1957
U1  - 513.8 
PY  - 1947///
CY  - Toronto
PB  - University of Toronto Press
KW  - Geometry, Non-Euclidean
KW  - Local
ER  -