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: https://simadp.com/journalmim/article/view/69. Acesso em: 22 dec. 2024.