RAJEEV SINHA. On a Smooth Riemannian Space with Generalized 2–Recurrent Curvature Tensors. Journal of International Academy of Physical Sciences, [S. l.], v. 14, n. 04, p. 399–412, 2010. Disponível em: https://www.iaps.org.in/journal/index.php/journaliaps/article/view/266. Acesso em: 17 may. 2024.