TY  - DATA
AU  - R.K. Sachs; H.-H. Wu
TI  - General Relativity for Mathematicians
SN  - 9781461299035
PY  - 1977///
PB  - Springer New York
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/978-1-4612-9903-5
ER  -