SHAIKH, A.A.; BAGEWADI, C.S. On 𝘕(𝑘)-Contact Metric Manifolds. CUBO, A Mathematical Journal, [S. l.], v. 12, n. 1, p. 181–193, 2010. DOI: 10.4067/S0719-06462010000100016. Disponível em: https://cubo.ufro.cl/index.php/cubo/article/view/1436. Acesso em: 14 oct. 2025.