%0 Journal Article %A Michael Barr %A John F. Kennison %A R. Raphael %T Flows: cocyclic and almost cocyclic %J Theory and applications of categories %D 2011 %P 490-507 %V 25 %I mathdoc %U http://geodesic.mathdoc.fr/item/TAC_2011_25_a17/ %G en %F TAC_2011_25_a17