GARDINER, S. J.; SJÖDIN, T. Boundary points of angular type form a set of zero harmonic measure. Annales Fennici Mathematici, [S. l.], v. 47, n. 2, p. 641–644, 2022. DOI: 10.54330/afm.116146. Disponível em: https://afm.journal.fi/article/view/116146. Acesso em: 26 may. 2022.