@article{01590785, title = {On periodic rings.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {25}, year = {2001}, pages = {417-420}, doi = {10.1155/S0161171201001181}, zbl = {0982.16023}, language = {en}, url = {http://dml.mathdoc.fr/item/01590785} }
Du, Xiankun; Yi, Qi. On periodic rings.. International Journal of Mathematics and Mathematical Sciences, Tome 25 (2001) pp. 417-420. doi : 10.1155/S0161171201001181. http://gdmltest.u-ga.fr/item/01590785/