Hretcanu, Cristina Elena, and Adara Blaga. “Warped Product Submanifolds in Metallic Riemannian Manifolds”. Tamkang Journal of Mathematics 51, no. 3 (September 25, 2020): 161-186. Accessed September 23, 2020. https://journals.math.tku.edu.tw/index.php/TKJM/article/view/2913.