ZAGANE, A. A study on the semi-conformal deformation of Berger-type metric: Semi-conformal deformation of Berger-type metric ... International Journal of Maps in Mathematics, [S. l.], v. 6, n. 2, p. 99–113, 2023. Disponível em: http://journalmim.com/index.php/journalMIM/article/view/130. Acesso em: 16 may. 2024.