Harmonic Polynomials via Differentiation. Analysis in Theory and Applications, [S. l.], v. 34, n. 4, p. 336–347, 2018. DOI: 10.4208/ata.OA-2017-0062. Disponível em: https://www.global-sci.com/index.php/ata/article/view/8156. Acesso em: 6 dec. 2025.