FARHADIAN, Reza; JAKIMCZUK, Rafael. A note on two fundamental recursive sequences. Annales Mathematicae Silesianae, [S. l.], v. 35, n. 2, p. 172–183, 2021. Disponível em: https://journals.us.edu.pl/index.php/AMSIL/article/view/13444. Acesso em: 15 dec. 2025.