Argyros, Ioannis K. “On the Secant Method and Nondiscrete Mathematical Induction”. Anal. Numér. Théor. Approx. 18, no. 1 (February 1, 1989): 27–36. Accessed May 4, 2024. https://ictp.acad.ro/jnaat/journal/article/view/1989-vol18-no1-art4.