@article{CMUC_2004_45_3_a1,
     author = {Saleh, Mohammad},
     title = {On weakly projective and weakly injective modules},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {389--402},
     year = {2004},
     volume = {45},
     number = {3},
     mrnumber = {2103135},
     zbl = {1101.16004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2004_45_3_a1/}
}