1. 1. Bagewadi, C. S. and Gatti, N. B., On irrotational quasi-conformal curvature tensor. Tensor.N.S., 64, 284-258, (2003).
2. 2. Bagewadi, C. S., and Kumar, E. G., Note on Trans-Sasakian Manifolds. Tensor. N. S., 65, 80-88 (2004).
3. 3. Bagewadi, C. S., and Venkatesha, Some Curvature Tensors on a Trans-Sasakian Manifold, Turk. J. Math. 31 (2007), 111-121.
4. 4. Bhati, S. M., On weakly Ricci φ-symmetric δ-Lorentzian trans Sasakian manifolds, Bull. Math. Anal. Appl., vol. 5, (1), (2013), 36-43.
5. 5. Bartolotti, E., Sulla geometria della variata a connection affine. Ann. di Mat. 4(8) (1930), 53-101.