VUORINEN, M. On the Harnack constant and the boundary behavior of Harnack functions. Annales Fennici Mathematici, [S. l.], v. 7, n. 2, p. 259–277, 1982. DOI: 10.5186/aasfm.1982.0732. Disponível em: https://afm.journal.fi/article/view/134446. Acesso em: 25 nov. 2024.