@article{10_1017_S0017089500008119, author = {Whelan, E. A.}, title = {An {Infinite} {Construction} in {Ring} {Theory}}, journal = {Glasgow mathematical journal}, pages = {121--123}, year = {1991}, volume = {33}, number = {1}, doi = {10.1017/S0017089500008119}, url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500008119/} }