Geodesic
Oscillation of nonlinear three-dimensional difference systems with delays
Mathematica Bohemica, Tome 135 (2010) no. 2, pp. 163-170.

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In this paper the three-dimensional nonlinear difference system $$ \begin{aligned} \Delta x_n=a_n f(y_{n-l}),\\ \Delta y_n=b_n g(z_{n-m}),\\ \Delta z_n=\delta c_n h(x_{n-k}), \end{aligned} $$ is investigated. Sufficient conditions under which the system is oscillatory or almost oscillatory are presented.
DOI : 10.21136/MB.2010.140693
Classification : 39A10
Keywords: difference equation; three-dimensional nonlinear system; oscillation 
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Schmeidel, Ewa. Oscillation of nonlinear three-dimensional difference systems with delays. Mathematica Bohemica, Tome 135 (2010) no. 2, pp. 163-170. doi : 10.21136/MB.2010.140693. http://geodesic.mathdoc.fr/articles/10.21136/MB.2010.140693/

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