Generalized Sasakian-Space-Form with W4 Curvature Tensor. Journal of International Academy of Physical Sciences, [S. l.], v. 22, n. 2, p. 113–120, 2018. Disponível em: http://www.iaps.org.in/journal/index.php/journaliaps/article/view/132. Acesso em: 23 oct. 2026.