Bilgici, Göksal, and Dorota Bród. “On R-Jacobsthal and R-Jacobsthal-Lucas Numbers”. Annales Mathematicae Silesianae 37, no. 1 (February 7, 2023): 16-31. Accessed August 31, 2024. https://journals.us.edu.pl/index.php/AMSIL/article/view/15208.