@article{10_1017_S0017089500007618, author = {Anderson, David F.}, title = {Root closure in integral domains, {II}}, journal = {Glasgow mathematical journal}, pages = {127--130}, year = {1989}, volume = {31}, number = {1}, doi = {10.1017/S0017089500007618}, url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500007618/} }