Agratini, Octavian. “ Application of Divided Differences to the Study of Monotonicity of a Sequence of D.D. Stancu Polynomials”. Rev. Anal. Numér. Théor. Approx. 25, no. 1 (August 1, 1996): 3–10. Accessed January 10, 2026. https://ictp.acad.ro/jnaat/journal/article/view/1996-vol25-nos1-2-art1.