Contact Normal Generic Submanifolds of a Nearly Hyperbolic Cosymplectic Manifold. Global Journal of Science Frontier Research, [S. l.], v. 14, n. F5, p. 1–6, 2014. Disponível em: https://www.journalofscience.org/index.php/GJSFR/article/view/1417. Acesso em: 14 aug. 2026.