[1] Atici F. M., Gusenov G. Sh.:
Positive periodic solutions for nonlinear difference equations with periodic coefficients. J. Math. Anal. Appl. 232 (1999), 166–182.
MR 1683041
[2] Atici F. M., Cabada A.:
Existence and uniqueness results for discrete second order periodic boundary value problems. Comput. Math. Appl. 45 (2003), 1417–1427.
MR 2000606 |
Zbl 1057.39008
[4] Guo Z., Yu J.:
The existence of periodic and subharmonic solutions for second order superlinear difference equations. Science in China (Series A) 3 (2003), 226–235.
MR 2014482
[5] Jiang D., O’Regan D., Agarwal R. P.:
Optimal existence theory for single and multiple positive periodic solutions to functional difference equations. Appl. Math. Lett. 161 (2005), 441–462.
MR 2112417 |
Zbl 1068.39009
[6] Kocic V. L., Ladas G.:
Global behivior of nonlinear difference equations of higher order with applications. Kluwer Academic Publishers, Dordrecht-Boston-London, 1993.
MR 1247956
[7] Ma M., Yu J.:
Existence of multiple positive periodic solutions for nonlinear functional difference equations. J. Math. Anal. Appl. 305 (2005), 483–490.
MR 2130716 |
Zbl 1070.39019
[8] Mickens R. E.:
Periodic solutions of second order nonlinear difference equations containing a small parameter-II. Equivalent linearization. J. Franklin Inst. B 320 (1985), 169–174.
MR 0818865 |
Zbl 0589.39004
[9] Mickens R. E.:
Periodic solutions of second order nonlinear difference equations containing a small parameter-III. Perturbation theory. J. Franklin Inst. B 321 (1986), 39–47.
MR 0825907 |
Zbl 0592.39005
[10] Mickens R. E.:
Periodic solutions of second order nonlinear difference equations containing a small parameter-IV. Multi-discrete time method. J. Franklin Inst. B 324 (1987), 263–271.
MR 0910641 |
Zbl 0629.39002
[11] Raffoul Y. N.: Positive periodic solutions for scalar and vector nonlinear difference equations. Pan-American J. Math. 9 (1999), 97–111.
[12] Wang Y., Shi Y.:
Eigenvalues of second-order difference equations with periodic and antiperiodic boundary conditions. J. Math. Anal. Appl. 309 (2005), 56–69.
MR 2154027 |
Zbl 1083.39019
[13] Zeng Z.:
Existence of positive periodic solutions for a class of nonautonomous difference equations. Electronic J. Differential Equations 3 (2006), 1–18.
MR 2198916 |
Zbl 1093.39014
[14] Zhang R., Wang Z., Chen Y., Wu J.:
Periodic solutions of a single species discrete population model with periodic harvest/stock. Comput. Math. Appl. 39 (2000), 77–90.
MR 1729420 |
Zbl 0970.92019
[15] Zhu L., Li Y.:
Positive periodic solutions of higher-dimensional functional difference equations with a parameter. J. Math. Anal. Appl. 290 (2004), 654–664.
MR 2033049 |
Zbl 1042.39005