YANG, S. Monotone functions and extremal functions for condensers in Rn. Annales Fennici Mathematici, [S. l.], v. 16, n. 1, p. 95–112, 1991. DOI: 10.5186/aasfm.1991.1631. Disponível em: https://afm.journal.fi/article/view/134705. Acesso em: 25 nov. 2024.