@article{03616591, title = {On separable extensions of group rings and quaternion rings.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {1}, year = {1978}, pages = {433-438}, doi = {10.1155/S0161171278000435}, zbl = {0397.16011}, language = {en}, url = {http://dml.mathdoc.fr/item/03616591} }
Szeto, George. On separable extensions of group rings and quaternion rings.. International Journal of Mathematics and Mathematical Sciences, Tome 1 (1978) pp. 433-438. doi : 10.1155/S0161171278000435. http://gdmltest.u-ga.fr/item/03616591/