ALTAVILLA, A.; BISI, C. Log-biharmonicity and a Jensen formula in the space of quaternions. Annales Fennici Mathematici, [S. l.], v. 44, n. 2, p. 805–839, 2019. DOI: 10.5186/aasfm.2019.4447. Disponível em: https://afm.journal.fi/article/view/135823. Acesso em: 22 nov. 2024.