Aküzüm, Yesim, Deveci, Ömür, and Artun, Gizem. “The Adjacency-Pell-Circulant Sequences”. Utilitas Mathematica 110 (March 9, 2019). Accessed May 7, 2026. https://utilitasmathematica.com/index.php/Index/article/view/1433.