Bastien, G. and Rogalski, M. 2024. Difference equations on $\mathbb{R}_*^+$, of the form $u_{n+2}=\frac{f(u_{n+1})}{u_n+\lambda}$, $\lambda>0$, with applications to perturbations of dynamical systems. Sarajevo Journal of Mathematics. 18, 1 (Jan. 2024), 63–82. DOI:https://doi.org/10.5644/SJM.18.01.05.