TY  - BOOK
AU  - Courant,Richard
AU  - Robbins,Herbert
TI  - What is Mathematics?: an elementary approach to ideas and methods
AV  - QA37 .C675 1941
U1  - 510 22nd ed.
PY  - 1941///]
CY  - London, N. Y.
PB  - Oxford university press
KW  - Mathematics
N1  - "Suggestions for further reading": p. 511-514
ER  -