Lakhan Singh and Shailendra Kumar Gautam (2016) “Invariant Submanifold of $\tilde{\psi}\;\left(5, -3\right)$ Structure Manifold”, International Journal of Mathematics And its Applications, 4(2 - B), pp. 1–5. Available at: http://ijmaa.in/index.php/ijmaa/article/view/1019 (Accessed: 20 May 2024).