共 20 条
- [1] ASHTEKAR A, 1983, 7TH INT C MATH PHYS
- [2] ON THE VANISHING OF THE COSMOLOGICAL CONSTANT [J]. PHYSICS LETTERS A, 1986, 114 (04) : 185 - 190
- [6] DUBOISVIOLETTE M, 1984, GEOM PHYS, V1, P139
- [7] GASQUI J, 1982, COMPOS MATH, V47, P43
- [8] JENSEN GR, 1973, J DIFFER GEOM, V8, P599
- [9] EINSTEIN TENSOR AND ITS GENERALIZATIONS [J]. JOURNAL OF MATHEMATICAL PHYSICS, 1971, 12 (03) : 498 - &