@article{10_4064_fm_79_2_87_90,
     author = {M. Rauf Quershi},
     title = {S-torsion free modules},
     journal = {Fundamenta Mathematicae},
     pages = {87--90},
     publisher = {mathdoc},
     volume = {79},
     number = {2},
     year = {1973},
     doi = {10.4064/fm-79-2-87-90},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-79-2-87-90/}
}