TY  - BOOK
AU  - Courant,Richard
AU  - Robbins,Herbert
ED  - University of Oxford
TI  - What is mathematics?: an elementary approach to ideas and methods 
SN  - 0195105192
AV  - QA37 C68 1996
PY  - 1996///
CY  - Oxford
PB  - Oxford University Press
KW  - Matemáticas
ER  -