ARGYROS, Ioannis K., and Santhosh GEORGE. “A Unified Local Convergence for Chebyshev-Halley-Type Methods in Banach Space under Weak Conditions”. Studia Universitatis Babeș-Bolyai Mathematica, vol. 60, no. 3, Sept. 2015, pp. 463-70, https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/5809.