Lakhan Singh, and Shailendra Kumar Gautam. β€œOn Some Properties of Metric F-Structure Satisfying $F^{2k+1}+F=0$”. International Journal of Mathematics And its Applications 5, no. 2 - A (April 15, 2017): 63–66. Accessed April 22, 2026. http://ijmaa.in/index.php/ijmaa/article/view/796.