Shaikh, A. A., Sanjib Kumar Jana, and S. Eyasmin. “On Weakly $W_{2}$-Symmetric Manifolds”. Sarajevo Journal of Mathematics 3, no. 1 (June 12, 2024): 73–91. Accessed November 23, 2024. https://sjm.anubih.ba/index.php/sjm/article/view/404.