TY  - BOOK
AU  - Sachs, R K
AU  - Wu, H
TI  - General relativity for mathematicians
U1  - 530.12:51 
PY  - 1977///
CY  - New York
PB  - Springer-Verlag
KW  - Relativity
KW  - Relativity theory
KW  - Mathematics
KW  - Number theory
KW  - Set theory
KW  - Group theory
ER  -