%0 Journal Article %A Rousseau, C. %A Toni, B. %T Local Bifurcations of Critical Periods in the Reduced Kukles System %J Canadian journal of mathematics %D 1997 %P 338-358 %V 49 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1997-017-4/ %R 10.4153/CJM-1997-017-4 %F 10_4153_CJM_1997_017_4