%0 Journal Article %A Ahmet A. Husainov %A Hamza Çalişici %T Flows in graphs and the homology of free categories %J Algebra and discrete mathematics %D 2003 %P 36-46 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ADM_2003_2_a2/ %G en %F ADM_2003_2_a2