%0 Journal Article %A Cai, Jianping %T Hopf bifurcation in the IS-LM business cycle model with time delay %J Electronic Journal of Differential Equations %D 2005 %V 2005 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a98/ %G en %F EJDE_2005__2005__a98