TY  - BOOK
AU  - Courant,Richard, Robbins, Herbert
AU  - x
TI  - What is mathematics ?: An elementary approach to ideas and methods
SN  - 0195105192
U1  - 510/C858w 
PY  - 1969///
CY  - New York
PB  - Oxford University Press
KW  - Mathematics
N1  - Includes
ER  -