Homentcovschi, Dorel. “Some Formulae for Numerical Differentiation and Integration of Analytic Functions”. Anal. Numér. Théor. Approx. 10, no. 1 (February 1, 1981): 23–31. Accessed November 24, 2024. https://ictp.acad.ro/jnaat/journal/article/view/1981-vol10-no1-art4.