@article{GDZPPN00236011X, title = {Radical of splitting ring extensions.}, journal = {Mathematica Scandinavica}, volume = {64}, year = {1989}, pages = {50-58}, zbl = {0676.16021}, url = {http://dml.mathdoc.fr/item/GDZPPN00236011X} }
Jambor, Paul E. Radical of splitting ring extensions.. Mathematica Scandinavica, Tome 64 (1989) pp. 50-58. http://gdmltest.u-ga.fr/item/GDZPPN00236011X/