HALISTE, K. Some estimates of harmonic majorants. Annales Fennici Mathematici, [S. l.], v. 9, n. 1, p. 117–124, 1984. DOI: 10.5186/aasfm.1984.0907. Disponível em: https://afm.journal.fi/article/view/134489. Acesso em: 6 may. 2024.