FORELLI, F. Pluriharmonicity in terms of harmonic slices. MATHEMATICA SCANDINAVICA, [S. l.], v. 41, p. 358–364, 1977. DOI: 10.7146/math.scand.a-11728. Disponível em: https://www.mscand.dk/article/view/11728. Acesso em: 28 apr. 2024.