On Generalized φ -Recurrent Para-Sasakian Manifolds. Journal of International Academy of Physical Sciences, [S. l.], v. 15, n. 1, p. 1–10, 2011. Disponível em: http://www.iaps.org.in/journal/index.php/journaliaps/article/view/570. Acesso em: 23 oct. 2026.