@article{PM_1990_1990_1_a32,
     author = {Faith, Carl},
     title = {M\'odulos sin torsi\'on anidados en proyectivas.},
     journal = {Publicacions matem\`atiques},
     pages = {379-387},
     publisher = {mathdoc},
     volume = {34},
     number = {2},
     year = {1990},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_1990_1990_1_a32/}
}