@article{03914504, title = {On center-like elements in rings.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {8}, year = {1985}, pages = {145-149}, doi = {10.1155/S0161171285000138}, zbl = {0573.16009}, language = {en}, url = {http://dml.mathdoc.fr/item/03914504} }
Fisher, Joe W.; Fahmy, Mohamed H. On center-like elements in rings.. International Journal of Mathematics and Mathematical Sciences, Tome 8 (1985) pp. 145-149. doi : 10.1155/S0161171285000138. http://gdmltest.u-ga.fr/item/03914504/