PASHAIE, FIROOZ. “Biconservative Lorentz Hypersurfaces With at Least Three Principal Curvatures”. Tamkang Journal of Mathematics 54, no. 3 (November 17, 2022): 221–236. Accessed June 13, 2024. https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4876.