TY  - BOOK
AU  - Hadamard,Jacques
TI  - An essay on the psychology of invention in the mathematical field,
AV  - QA9 .H25
U1  - 510.1 
PY  - 1945///
CY  - Princeton
PB  - Princeton University Press
KW  - Mathematics
KW  - Philosophy
KW  - Psychology
KW  - Inventions
N1  - Bibliographical foot-notes
ER  -