@article{01985402, title = {Ring epimorphisms and }, journal = {Theory and Applications of Categories [electronic only]}, volume = {11}, year = {2003}, pages = {283-308}, zbl = {1042.54007}, language = {en}, url = {http://dml.mathdoc.fr/item/01985402} }
Barr, Michael; Burgess, W. D.; Raphael, R. Ring epimorphisms and . Theory and Applications of Categories [electronic only], Tome 11 (2003) pp. 283-308. http://gdmltest.u-ga.fr/item/01985402/