1 |
M. C. Chaki and R. K. Maity, On quasi-Einstein manifolds, Publ. Math. Debrecen 57 (2000), no. 3-4, 297-306.
|
2 |
B. Y. Chen and K. Yano, Hypersurfaces of a conformally flat space, Tensor (N. S.) 26 (1972), 318-322.
|
3 |
K. L. Duggal, On scalar curvature in lightlike geometry, J. Geom. Phys. 57 (2007), no. 2, 473-481.
DOI
ScienceOn
|
4 |
K. L. Duggal and A. Bejancu, Lightlike Submanifolds of Semi-Riemannian Manifolds and Applications, Kluwer Acad. Publishers, Dordrecht, 1996.
|
5 |
K. L. Duggal and D. H. Jin, Null curves and Hypersurfaces of Semi-Riemannian Manifolds, World Scientific, 2007.
|
6 |
K. L. Duggal and D. H. Jin, A classification of Einstein lightlike hypersurfaces of a Lorentzian space form, J. Geom. Phys. 60 (2010), no. 12, 1881-1889.
DOI
ScienceOn
|