Sachs, R. K General relativity for mathematicians R. K. Sachs, H. Wu - New York Springer-Verlag 1977 - xii, 291 p ill 24 cm - Graduate texts in mathematics 48 . Contine bibliogr. si index ISBN: 038790218X LCCN: 76047697 Subjects--Topical Terms: Relativity (Physics) Dewey Class. No.: 530.1/1/02451