BOULAL, A.; OUAKKAS, S. Some results and examples of the f-biharmonic maps on warped product manifolds. International Journal of Maps in Mathematics, [S. l.], v. 3, n. 2, p. 68–84, 2020. Disponível em: http://journalmim.com/index.php/journalMIM/article/view/69. Acesso em: 29 apr. 2024.