1. Ahsan, Z.: On a geometrical symmetry of the spacetime of general relativity. Bull. Cal. Math. Soc. 97(3), 191–200 (2005)
2. Bhattacharyya, A., Patra, C.: Semi-symmetric metric connections on pseudosymmetric Lorentzian $$\alpha $$ α -Sasakian manifolds. Acta Comment. Univ. Tartu. Math. 18, 197–210 (2014)
3. Cartan, E.: Sur une classe remarquable despaces de Riemannian. Bull. Soc. Math. France 54, 214–264 (1926)
4. Chaubey, S.K., Ojha, R.H.: On the M-projective curvature tensor of a Kenmotsu manifold. Differ. Geom. Dynam. Syst. 12, 52–60 (2010)
5. De, U.C., Mallick, S.: Spacetimes admitting M-projective curvature tensor. Bulg. J. Phys. 39, 331–338 (2012)