共 13 条
- [2] Einstein A, 1917, SITZBER K PREUSS AKA, P142
- [3] Eisenhart L. P., 1926, RIEMANNIAN GEOMETRY
- [4] GILBERT C, 1938, Q J MATH, V9, P187
- [5] Hubble E, 1973, OBSEVATIONAL APPROAC
- [7] Milne E A, 1935, RELATIVITY GRAVITATI
- [10] Schrodinger E, 1940, P ROY IRISH ACAD A, V46, P25