CHENG, Kam Hang; CHIANG, Yik-Man. Nevanlinna theory of the Wilson divided-difference operator. Annales Fennici Mathematici, [S. l.], v. 42, n. 1, p. 175–209, 2017. DOI: 10.5186/aasfm.2017.4211. Disponível em: https://afm.journal.fi/article/view/135657. Acesso em: 14 apr. 2026.