ALP, Yasemin; KOCER, E. Gokcen. Leonardo and hyper-Leonardo numbers via Riordan arrays. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 76, n. 3, p. 326–340, 2024. DOI: 10.3842/umzh.v45i3.7296. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/7296. Acesso em: 5 dec. 2025.