ABDELKADER HAMTAT. An exponential Diophantine equation involving Narayana cow’s numbers. Utilitas Mathematica , [S. l.], v. 120, p. 37–48, 2023. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/1566. Acesso em: 7 may. 2026.