BISCHI, Gian-Italo; GARDINI, Laura; MIRA, Christian. Unbounded not diverging trajectories in maps with a vanishing denominator. Annales Mathematicae Silesianae, [S. l.], v. 13, p. 91–102, 1999. Disponível em: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/14140. Acesso em: 7 may. 2025.