%0 Journal Article %A Park, Sangwon %A Cho, Eunha %T Injective and projective properties of $R[x]$-modules %J Czechoslovak Mathematical Journal %D 2004 %P 573-578 %V 54 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2004__54_3_a2/ %G en %F CMJ_2004__54_3_a2