TY  - BOOK
AU  - Berger, M
AU  - Halmos, P.R
AU  - Pansu, P
TI  - Problems in geometry
SN  - 9788184890945
U1  - 514 
PY  - 2009///
CY  - France
PB  - Springer
KW  - ELIPPTIC AND HYPERBOLIC GEOMETRY
KW  - GEOMETRY-PROBLEMS
N1  - 224 Illustrations. (Ref. sec)
ER  -