Ivan, Mircea. “On the Leibniz Formula for Divided Differences”. Rev. Anal. Numér. Théor. Approx. 35, no. 1 (February 1, 2006): 59–63. Accessed March 31, 2025. https://ictp.acad.ro/jnaat/journal/article/view/2006-vol35-no1-art8.