@article{MS2_1989__65_2_167065,
     author = {Paul E. Jambor},
     title = {Radical of splitting ring extensions.},
     journal = {Mathematica Scandinavica},
     pages = {50--58},
     publisher = {mathdoc},
     volume = {65},
     number = {2},
     year = {1989},
     zbl = {0676.16021},
     url = {http://geodesic.mathdoc.fr/item/MS2_1989__65_2_167065/}
}