@article{CMJ_2008__58_3_a17,
     author = {Jakub{\'\i}k, J\'an},
     title = {On some types of radical classes},
     journal = {Czechoslovak Mathematical Journal},
     pages = {833--848},
     publisher = {mathdoc},
     volume = {58},
     number = {3},
     year = {2008},
     mrnumber = {2455941},
     zbl = {1174.06322},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2008__58_3_a17/}
}