%0 Journal Article %A Lakrib, Mustapha %A Kherraz, Tahar %A Bourada, Amel %T Averaging for ordinary differential equations perturbed by a small parameter %J Mathematica Bohemica %D 2016 %P 143-151 %V 141 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.2016.12/ %R 10.21136/MB.2016.12 %G en %F 10_21136_MB_2016_12