KHOMCHENKO, A. N.; MOTAYLO, A. P. DISCRETE ANALOGUE OF THE POISSON INTEGRAL FOR A BALL. Radio Electronics, Computer Science, Control, [S. l.], n. 1, 2012. DOI: 10.15588/1607-3274-2012-1-15. Disponível em: https://ric.zp.edu.ua/article/view/14259. Acesso em: 3 apr. 2025.