YUKSEL PERKTAS, S.; ERDOGAN, F. E.; ACET, B. E. On f-Biharmonic Hypersurfaces. International Journal of Maps in Mathematics, [S. l.], v. 1, n. 1, p. 116–136, 2018. Disponível em: https://simadp.com/journalmim/article/view/27. Acesso em: 23 nov. 2024.