MAHI, F.; BELKHELFA, M. Legendrian normally flat submanifols of $\mathcal{S}$-space forms: Array. Carpathian Mathematical Publications, [S. l.], v. 12, n. 1, p. 69–78, 2020. DOI: 10.15330/cmp.12.1.69-78. Disponível em: https://journals.pnu.edu.ua/index.php/cmp/article/view/3878. Acesso em: 29 mar. 2024.