TY - JOUR AU - Saleh, Mohammad TI - On weakly projective and weakly injective modules JO - Commentationes Mathematicae Universitatis Carolinae PY - 2004 SP - 389 EP - 402 VL - 45 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_2004__45_3_a1/ LA - en ID - CMUC_2004__45_3_a1 ER -