YILMAZ, Nur Şeyma; WŁOCH, Andrzej; ÖZKAN, Engin; STRZAŁKA, Dominik. On doubled and quadrupled Fibonacci type sequences. Annales Mathematicae Silesianae, [S. l.], v. 38, n. 2, p. 336–350, 2023. Disponível em: https://journals.us.edu.pl/index.php/AMSIL/article/view/16395. Acesso em: 7 dec. 2025.