@article{ADM_2007_3_a2,
     author = {B. J. Gardner and J. Krempa and R. Wiegandt},
     title = {Open problems in {Radical} {theory~(ICOR--2006)}},
     journal = {Algebra and discrete mathematics},
     pages = {15--17},
     publisher = {mathdoc},
     number = {3},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2007_3_a2/}
}