@article{03786987, title = {The Krull radical, k-primitive rings, and critical rings.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {5}, year = {1982}, pages = {763-777}, doi = {10.1155/S0161171282000702}, zbl = {0499.16006}, language = {en}, url = {http://dml.mathdoc.fr/item/03786987} }
Tucci, Ralph. The Krull radical, k-primitive rings, and critical rings.. International Journal of Mathematics and Mathematical Sciences, Tome 5 (1982) pp. 763-777. doi : 10.1155/S0161171282000702. http://gdmltest.u-ga.fr/item/03786987/