@article{01613343, title = {On weak center Galois extensions of rings.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {25}, year = {2001}, pages = {489-495}, doi = {10.1155/S016117120100504X}, zbl = {0992.16023}, language = {en}, url = {http://dml.mathdoc.fr/item/01613343} }
Szeto, George; Xue, Lianyong. On weak center Galois extensions of rings.. International Journal of Mathematics and Mathematical Sciences, Tome 25 (2001) pp. 489-495. doi : 10.1155/S016117120100504X. http://gdmltest.u-ga.fr/item/01613343/