SADEK, Mohammad; YESIN , Tugba. A dynamical analogue of a question of Fermat. MATHEMATICA SCANDINAVICA, [S. l.], v. 130, n. 1, 2024. DOI: 10.7146/math.scand.a-142342. Disponível em: https://www.mscand.dk/article/view/142342. Acesso em: 5 dec. 2025.