@article{10_1017_S0017089500000616, author = {Weissglass, Julian}, title = {Radicals of semigroup rings{\textdagger}}, journal = {Glasgow mathematical journal}, pages = {85--93}, year = {1969}, volume = {10}, number = {2}, doi = {10.1017/S0017089500000616}, url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500000616/} }