TY  - BOOK
AU  - Courant,Richard
AU  - Robbins,Herbert
TI  - What is mathematics ?: an elementary approach to ideas and methods
SN  - 9780195687101
U1  - 510 C833W2 
PY  - 2008///
CY  - Oxford
PB  - Oxford University Press, 
KW  - Number theory
KW  - Geometry
KW  - Topology
ER  -