B. B. CHATURVEDI; P. N. PANDEY. Riemannian Manifold with a Special Type of Semi-symmetric Non-metric Connection. Journal of International Academy of Physical Sciences, [S. l.], v. 13, n. 3, p. 253–259, 2009. Disponível em: https://www.iaps.org.in/journal/index.php/journaliaps/article/view/190. Acesso em: 18 may. 2024.