%0 Journal Article %A Edita Máčajová %A Martin Škoviera %T Characteristic flows on signed graphs and short circuit covers %J The electronic journal of combinatorics %D 2016 %V 23 %N 3 %U http://geodesic.mathdoc.fr/articles/10.37236/4872/ %R 10.37236/4872 %F 10_37236_4872