Păvăloiu, I. “Sur La Convergence d’une Classe De méthodes itératives De J.F. Traub: On the Convergence of a Class of Iterative Methods by J.F. Traub”. Rev. Anal. Numér. Théorie Approximation, vol. 2, Feb. 1973, pp. 99-104, doi:10.33993/jnaat21-15.