@article{01496714, title = {Elements in exchange rings with related comparability.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {23}, year = {2000}, pages = {639-644}, doi = {10.1155/S0161171200002234}, zbl = {0957.16005}, language = {en}, url = {http://dml.mathdoc.fr/item/01496714} }
Chen, Huanyin. Elements in exchange rings with related comparability.. International Journal of Mathematics and Mathematical Sciences, Tome 23 (2000) pp. 639-644. doi : 10.1155/S0161171200002234. http://gdmltest.u-ga.fr/item/01496714/