@article{JRAM_1969__235_150917,
     author = {T.M. Viswanathan},
     title = {Ordered modules of fractions.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {78--107},
     publisher = {mathdoc},
     volume = {235},
     year = {1969},
     zbl = {0172.32002},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1969__235_150917/}
}