@article{GDZPPN001263250, title = {On the weak regularity of semigroup rings.}, journal = {Semigroup forum}, volume = {48}, year = {1994}, pages = {152-162}, zbl = {0815.16010}, url = {http://dml.mathdoc.fr/item/GDZPPN001263250} }
Li, F. On the weak regularity of semigroup rings.. Semigroup forum, Tome 48 (1994) pp. 152-162. http://gdmltest.u-ga.fr/item/GDZPPN001263250/