R. L. Patel and R. N. Singh (2021) “$\eta$-Ricci Solitons on $\beta$-Kenmotsu Manifolds”, International Journal of Mathematics And its Applications, 9(3), pp. 129–138. Available at: http://ijmaa.in/index.php/ijmaa/article/view/53 (Accessed: 2 May 2024).