%0 Journal Article %A Dao-Rong Ton %T Quasi Radical Classes of Lattice-Ordered Groups %J Mathematica balkanica %D 1993 %P 199 %V 7 %N 3-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_1993_7_3-4_a2/ %F MABA_1993_7_3-4_a2