%0 Journal Article %A Ahmed Bendjeddou %A Aziza Berbache %A Abdelkrim Kina %T Limit cycles for a class of polynomial differential systems via averaging theory %J Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika %D 2019 %P 145-159 %V 12 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JSFU_2019_12_2_a1/ %G en %F JSFU_2019_12_2_a1