BischiG.-I., GardiniL. and MiraC. (1999) “Unbounded not diverging trajectories in maps with a vanishing denominator”, Annales Mathematicae Silesianae, 13, pp. 91-102. Available at: https://www.journals.us.edu.pl/index.php/AMSIL/article/view/14140 (Accessed: 19May2024).