%0 Journal Article %A Gamba, Ivo %T A note on the example of J. Andres concerning the application of the Nielsen fixed-point theory to differential systems %J Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica %D 2001 %P 55-62 %V 40 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AUPO_2001__40_1_a7/ %G en %F AUPO_2001__40_1_a7