%0 Journal Article %A R. Haberman %A D. C. Diminnie %T On the dynamic unfolding of a saddle-center bifurcation and the change in the action %J Trudy Instituta matematiki i mehaniki %D 2003 %P 159-164 %V 9 %N 1 %U http://geodesic.mathdoc.fr/item/TIMM_2003_9_1_a18/ %G en %F TIMM_2003_9_1_a18