Zhanlav, Tugal, and Otgondorj Khuder. “On the Development and Extensions of Some Classes of Optimal Three-Point Iterations for Solving Nonlinear Equations”.
J. Numer. Anal. Approx. Theory, vol. 50, no. 2, Dec. 2021, pp. 180-93,
https://doi.org/10.33993/jnaat502-1238.