Grove, E. A., D. Hadley, E. Lapierre, and S. Schultz. “On the Global Behavior of the Rational System $\boldsymbol{\displaystyle{ x_{n+1} = \frac{ \alpha_{1} }{ x_{n} + y_{n} } \quad \mathrm{AND} \quad y_{n+1} = \frac{ \alpha_{2} + \beta_{2} x_{n} + y_{n} }{ y_{n} } }}$”. Sarajevo Journal of Mathematics, vol. 8, no. 2, June 2024, pp. 283-92, doi:10.5644/SJM.08.2.09.