Păvăloiu, I., and I. Şerb. “Sur Quelques méthodes itératives De Type Interpolatoire à Vitesse De Convergence Optimale: On Some Iterative Methods of Interpolatory Type With Optimal Convergence Rate”. Anal. Numér. Théor. Approx., vol. 12, no. 1, Feb. 1983, pp. 83-88, https://ictp.acad.ro/jnaat/journal/article/view/1983-vol12-no1-art10.