%0 Journal Article %A Yonah Cherniavsky %A Avraham Goldstein %A Vadim E. Levit %T Balanced Abelian group-valued functions on directed graphs %J Ars Mathematica Contemporanea %D 2017 %P 307-315 %V 13 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.910.460/ %R 10.26493/1855-3974.910.460 %G en %F 10_26493_1855_3974_910_460