MIAMEE, A.; NIEMI, H. On the angle for stationary random fields. Annales Fennici Mathematici, [S. l.], v. 17, n. 1, p. 93–103, 1992. DOI: 10.5186/aasfm.1992.1712. Disponível em: https://afm.journal.fi/article/view/134742. Acesso em: 25 nov. 2024.