%0 Journal Article %A Zhi Sun %T Covering the integers by arithmetic sequences %J Acta Arithmetica %D 1995 %P 109-129 %V 72 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-72-2-109-129/ %R 10.4064/aa-72-2-109-129 %G en %F 10_4064_aa_72_2_109_129