@article{03676114, title = {Rings with involution whose symmetric elements are central.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {3}, year = {1980}, pages = {247-253}, doi = {10.1155/S0161171280000178}, zbl = {0434.17004}, language = {en}, url = {http://dml.mathdoc.fr/item/03676114} }
Lim, Taw Pin. Rings with involution whose symmetric elements are central.. International Journal of Mathematics and Mathematical Sciences, Tome 3 (1980) pp. 247-253. doi : 10.1155/S0161171280000178. http://gdmltest.u-ga.fr/item/03676114/