%0 Journal Article %A Lenny Jones %A Daniel White %T A group-theoretic approach to covering systems %J Algebra and discrete mathematics %D 2015 %P 250-262 %V 20 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ADM_2015_20_2_a4/ %G en %F ADM_2015_20_2_a4