TY  - BOOK
AU  - Weyl Hermann
AU  - Helmer Olaf
TI  - Philosophy of mathematics and natural science
U1  - 501 
PY  - 1949///
CY  - Princeton
PB  - Univ. Press
KW  - Mathematics
KW  - Science-philosophy
N1  - Rev. and augmented english ed. based on a translation by Olaf Helmer
ER  -