共 13 条
- [1] SYMMETRY CHANGES IN FRIEDMANN COSMOLOGIES [J]. ASTROPHYSICAL JOURNAL, 1986, 301 (02) : 517 - 521
- [3] SINGULARITIES IN BIANCHI COSMOLOGIES [J]. PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS, 1979, 56 (02): : 65 - 105
- [4] Darmois G., 1927, MEMORIAL SCI MATH, V25
- [5] EHLERS J, 1961, ABH MAINZ AKAD WI MN
- [6] Ellis G, 1971, J Contin Educ Nurs, V2, P7, DOI 10.1007/BF02450512
- [7] Ellis G. F. R., 1971, GEN RELATIVITY COSMO, P104
- [10] Hawking S.W., 1973, CAMBRIDGE MONOGRAPHS