TY  - BOOK
AU  - Courant, Richard
AU  - Robbins, Herbert
TI  - What is mathematics: an elementary approach to ideas and methods
U1  - 51 
PY  - 1941///
CY  - London
PB  - Oxford University
KW  - Mathematical sciences
KW  - Pure mathematics
KW  - Modern mathematics
KW  - technical mathematics
ER  -