@article{GMJ_1999__6_3_48422, author = {Bruns, W. and Gubeladze, J.}, title = {A regularity criterion for semigroup rings.}, journal = {Georgian mathematical journal}, pages = {259--262}, year = {1999}, volume = {6}, number = {3}, zbl = {0938.13001}, language = {en}, url = {http://geodesic.mathdoc.fr/item/GMJ_1999__6_3_48422/} }