@article{SF_1994__48_3_135307,
     author = {F. Li},
     title = {On the weak regularity of semigroup rings.},
     journal = {Semigroup forum},
     pages = {152--162},
     publisher = {mathdoc},
     volume = {48},
     number = {3},
     year = {1994},
     zbl = {0815.16010},
     url = {http://geodesic.mathdoc.fr/item/SF_1994__48_3_135307/}
}