%0 Journal Article %A Saleh, Mohammad %T On weakly projective and weakly injective modules %J Commentationes Mathematicae Universitatis Carolinae %D 2004 %P 389-402 %V 45 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_2004__45_3_a1/ %G en %F CMUC_2004__45_3_a1