PLAKSA, S. A. On the Solution of the Exterior Dirichlet Problem for an Axisymmetric Potential. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 54, n. 12, p. 1634–1641, 2002. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4202. Acesso em: 6 dec. 2025.