%0 Journal Article %A Christoffer Heckman %A Jakob Kotas %A Richard Rand %T Center Manifold Reduction of the Hopf-Hopf Bifurcation in a Time Delay System %J ESAIM. Proceedings %D 2013 %P 57-65 %V 39 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1051/proc/201339008/ %R 10.1051/proc/201339008 %G en %F EP_2013_39_a8