References
- Kocic V. L. Ladas G. Global Behavior of Nonlinear Difference Equations of Higher Order and Applications Kluwer Academic Publishers Dordrecht 1993
- Zhang D. C. Shi B. Gai M. J. On the rational recursive sequence x_{n} = bx_{n}^{2}/(1 + x_{n}^{2} Ind. J. Pure Appl. Math. 32 5 2001 657 663