MEL'NICHENKO, I. P.; PLAKSA, S. A. Potential fields with axial symmetry and algebras of monogenic functions of a vector variable. II. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 48, n. 12, p. 1695–1703, 1996. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5191. Acesso em: 6 dec. 2025.