GÖKBAŞ, Hasan. “A New Member of the Pell Sequences: The Pseudo-Pell Sequence”. Studia Universitatis Babeș-Bolyai Mathematica 79, no. 2 (June 2, 2025): 177–188. Accessed July 30, 2025. https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/9234.