ANDERSON, G. D. Derivatives of the conformal capacity of extremal rings. Annales Fennici Mathematici, [S. l.], v. 10, n. 1, p. 29–46, 1985. DOI: 10.5186/aasfm.1985.1006. Disponível em: https://afm.journal.fi/article/view/134501. Acesso em: 25 nov. 2024.