%0 Journal Article %A Schmeidel, Ewa %T Oscillation of nonlinear three-dimensional difference systems with delays %J Mathematica Bohemica %D 2010 %P 163-170 %V 135 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.2010.140693/ %R 10.21136/MB.2010.140693 %G en %F 10_21136_MB_2010_140693