Chimpanzo J, Otero-Espinar MV, Borges A, Vasco P, Catarino P. Bidimensional extensions of cobalancing and Lucas-cobalancing numbers. Ann. Math. Sil. [Internet]. 2023 Nov. 29 [cited 2025 Jul. 6];38(2):241-62. Available from: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/16430