Luca, D., & Păvăloiu, I. (1997). On the Heron’s method for approximating the cubic root of a real number. Rev. Anal. Numér. Théor. Approx., 26(1), 103–108. Retrieved from https://ictp.acad.ro/jnaat/journal/article/view/1997-vol26-nos1-2-art15