AVIJIT KUMAR PAUL. Non Invariant Hypersurfaces of Quasi Sasakian Manifolds. Journal of International Academy of Physical Sciences, [S. l.], v. 22, n. 1, p. 1–10, 2018. Disponível em: https://www.iaps.org.in/journal/index.php/journaliaps/article/view/126. Acesso em: 15 may. 2024.