%0 Journal Article %A Eric Goubault %A Emmanuel Haucourt %A Sanjeevi Krishnan %T Covering space theory for directed topology %J Theory and applications of categories %D 2009 %P 252-268 %V 22 %I mathdoc %U http://geodesic.mathdoc.fr/item/TAC_2009_22_a8/ %G en %F TAC_2009_22_a8