TY  - BOOK
AU  - Courant, Richard 
AU  - Robbins, Herbert
TI  - What is Mathematics:  : an elementry approach
U1  - 510 C833W 
PY  - 1961///
CY  - London
PB  - : Oxford University Press
KW  - Mathematics
KW  - |Mathematics - Theory
KW  - |Number system
KW  - |Topology
KW  - |Calculus
KW  - |Algebra
ER  -