@article{01538444, title = {Rings with many idempotents.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {22}, year = {1999}, pages = {547-558}, doi = {10.1155/S0161171299225471}, zbl = {0970.16004}, language = {en}, url = {http://dml.mathdoc.fr/item/01538444} }
Chen, Huanyin. Rings with many idempotents.. International Journal of Mathematics and Mathematical Sciences, Tome 22 (1999) pp. 547-558. doi : 10.1155/S0161171299225471. http://gdmltest.u-ga.fr/item/01538444/