MEL'NICHENKO, I. P.; PLAKSA, S. A. Potential fields with axial symmetry and algebras of monogenic functions of a vector variable. I. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 48, n. 11, p. 1518–1529, 1996. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5206. Acesso em: 5 dec. 2025.