TY  - BOOK
AU  - Courant,Richard
AU  - Robbins,Herbert
AU  - Stewart,Ian
TI  - What is mathematics? : an elementary approach to ideas and methods 
SN  - 0195105192
PY  - 1996///
CY  - New York 
PB  - Oxford University Press
KW  - Mathematics
N1  - Includes bibliographical references (p. 549-558) and index
ER  -