%0 Journal Article %A Li, Weiqing %A Ouyang, Baiyu %T $(n,d)$-injective covers, $n$-coherent rings, and $(n,d)$-rings %J Czechoslovak Mathematical Journal %D 2014 %P 289-304 %V 64 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1007/s10587-014-0101-1/ %R 10.1007/s10587-014-0101-1 %G en %F 10_1007_s10587_014_0101_1