Ingalahalli, G., and C. S. Bagewadi. “On Generalized Sasakian Space Forms With Concircular and Projective Curvature Tensor”. International Journal of Maps in Mathematics 1, no. 2 (September 24, 2018): 162–174. Accessed November 23, 2024. https://simadp.com/journalmim/article/view/19.