Goy, T.P., and S.V. Sharyn. “A Note on Pell-Padovan Numbers and Their Connection With Fibonacci Numbers”. Carpathian Mathematical Publications 12, no. 2 (August 14, 2020): 280–288. Accessed November 22, 2024. https://ktipe.pnu.edu.ua/index.php/cmp/article/view/3954.