@article{02166347,
title = {Nagata rings and directed unions of Artinian subrings.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {2003},
year = {2003},
pages = {4465-4471},
doi = {10.1155/S0161171203210693},
zbl = {1074.13006},
language = {en},
url = {http://dml.mathdoc.fr/item/02166347}
}
Karim, D. Nagata rings and directed unions of Artinian subrings.. International Journal of Mathematics and Mathematical Sciences, Tome 2003 (2003) pp. 4465-4471. doi : 10.1155/S0161171203210693. http://gdmltest.u-ga.fr/item/02166347/