TY - JOUR AU - B. J. Gardner TI - There isn't much duality in radical theory JO - Algebra and discrete mathematics PY - 2007 SP - 59 EP - 66 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ADM_2007_3_a7/ LA - en ID - ADM_2007_3_a7 ER -