TY  - BOOK
AU  - Berger Marcel
AU  - P.Pansu
AU  - X.Saint-Raymond
AU  - J.P.Berry
TI  - Problems In Geometry: Problem Books In Mathematics
SN  - 9788184890945
U1  - 514 
PY  - 2009///
CY  - New Delhi
PB  - Springer
ER  -