TY  - BOOK
AU  - Sachs R K
AU  - Wu Hung-Hsi
TI  - General relativity for mathematicians
U1  - 530.110151 
PY  - 1977///
CY  - New York
PB  - Springer-Verlag
KW  - Mathematical principles
KW  - Physics
KW  - Relativity
ER  -