General relativity for mathematicians / R. K. Sachs, H. Wu. Sachs, R. K. (Rainer Kurt), 1932- Wu, Hongxi, 1940- joint author. Relativity (Physics) QC173.55 .S34 530.11 SAG Includes indexes. Bibliography: p. 274-276. New York : Springer-Verlag, 1977. 1977. 1977 Text xii, 291 p. : eng Graduate texts in mathematics ; 48