共 21 条
- [1] Rigidity for spaces of class greater than one [J]. AMERICAN JOURNAL OF MATHEMATICS, 1939, 61 : 633 - 644
- [2] Einstein spaces which are mapped conformally on each other [J]. MATHEMATISCHE ANNALEN, 1925, 94 : 119 - 145
- [3] EMPTY SPACE-TIMES OF EMBEDDING CLASS 2 [J]. JOURNAL OF MATHEMATICAL PHYSICS, 1966, 7 (04) : 608 - +
- [4] COLLINSON CD, TO BE PUBLISHED
- [5] EHLERS J, 1962, RECENT DEVELOPMENTS
- [6] Eisenhart LP., 1925, RIEMANNIAN GEOMETRY, P97
- [7] EISENHART LP, 1925, RIEMANNIAN GEOMETRY, P200
- [8] FRIEDMAN A, 1961, J MATH MECH, V10, P625