@article{10_21136_CMJ_1990_102379,
     author = {Birkenmeier, Gary and Heatherly, Henry},
     title = {Medial rings and an associated radical},
     journal = {Czechoslovak Mathematical Journal},
     pages = {258--283},
     publisher = {mathdoc},
     volume = {40},
     number = {2},
     year = {1990},
     doi = {10.21136/CMJ.1990.102379},
     mrnumber = {1046293},
     zbl = {0732.16011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1990.102379/}
}