Sushil Shukla, and P. N. Pandey. “On Recurrent Light Like Hyper Surfaces of Indefinite Almost Hyperbolic Hermitian Manifold With Semi-Symmetric Metric Connection”. Journal of International Academy of Physical Sciences 23, no. 4 (December 15, 2019): 349–358. Accessed May 21, 2024. https://www.iaps.org.in/journal/index.php/journaliaps/article/view/359.