Yildirim, Umit. “On Almost C(a)-Manifold Satisfying Some Conditions On The Weyl Projective Curvature Tensor”. JOURNAL OF ADVANCES IN MATHEMATICS 15 (December 31, 2018): 8145–8154. Accessed November 22, 2024. https://rajpub.com/index.php/jam/article/view/8020.