%0 Journal Article %A Günter Lettl %A Zhi-Wei Sun %T On covers of abelian groups by cosets %J Acta Arithmetica %D 2008 %P 341-350 %V 131 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa131-4-3/ %R 10.4064/aa131-4-3 %G en %F 10_4064_aa131_4_3