Păvăloiu, I., and E. Cătinaş. “On an Aitken Type Method”. Rev. Anal. Numér. ThéOr. Approx., vol. 36, no. 2, Aug. 2007, pp. 173-6, https://ictp.acad.ro/jnaat/journal/article/view/2007-vol36-no2-art5.