PLAKSA, S. A. Dirichlet problem for axisymmetric potential fields in a disk of the meridian plane. II. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 52, n. 6, p. 748–757, 2000. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4469. Acesso em: 27 apr. 2025.