MIZUTA, Y.; SHIMOMURA, T. Boundary limits of spherical means for BLD and monotone BLD functions in the unit ball. Annales Fennici Mathematici, [S. l.], v. 24, n. 1, p. 45–60, 1999. Disponível em: https://afm.journal.fi/article/view/134939. Acesso em: 25 nov. 2024.