CHAND, P. B.; SETHI, K. Family of Optimal Fourth Order Methods for Multiple Roots and their Dynamics. Journal of Nepal Mathematical Society, [S. l.], v. 2, n. 2, p. 1–10, 2019. DOI: 10.3126/jnms.v2i2.33005. Disponível em: https://www.nepjol.info/index.php/jnms/article/view/33005. Acesso em: 8 aug. 2022.