SerdyukA. S. (2008) “Approximation of Poisson integrals by one linear approximation method in uniform and integral metrics”, Ukrains’kyi Matematychnyi Zhurnal, 60(7), pp. 976–982. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3213 (Accessed: 23November2024).