TY  - BOOK
AU  - Courant,Richard
AU  - Robbins,Herbert
TI  - What is mathematics?
U1  - 510 
PY  - 1966///
CY  - New York
PB  - Oxford University Press
KW  - Calculus
KW  - Geometry
KW  - Number system
KW  - Numbers, theory of
KW  - Topology (mathematics)
ER  -