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The necessary and sufficient conditions of existence of periodic solutions of nonautonomous difference equations. (English) Zbl 1025.39009
The results of the authors’ paper [ibid. 131, 461-467 (2002; reviewed above)] are generalized to the nonautonomous case and applied to a rational difference equation.
Reviewer’s remark: In both papers the difference equation has the order \(k+1\) and not \(n\).

39A11 Stability of difference equations (MSC2000)
Full Text: DOI
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