%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 %U http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a198/ %G en %F EJDE_2005__2005__a198