Document Zbl 0978.39014

Invariants for systems of two nonlinear difference equations. (English) Zbl 0978.39014

Differ. Equ. Dyn. Syst. 7, No. 2, 181-196 (1999).

Summary: We find necessary conditions so that a system of two nonlinear difference equations possesses an invariant.

39A13

Difference equations, scaling (\(q\)-differences)

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