ARGYROS , I. K., BEHL, R., GONZÁLEZ, D., & MOTSA, S. S. (2020). Ball convergence for combined three-step methods under generalized conditions in Banach space. Studia Universitatis Babeș-Bolyai Mathematica, 65(1), 127–137. https://doi.org/10.24193/subbmath.2020.1.10