Patseika, Pavel G., and Yauheni A. Rouba. “On Rational Abel – Poisson Means on a Segment and Approximations of Markov Functions”. Journal of the Belarusian State University. Mathematics and Informatics, no. 3 (November 19, 2021): 6–24. Accessed July 19, 2026. https://journals.bsu.by/index.php/mathematics/article/view/4252.