TY - JOUR AU - Dao-Rong Ton TI - Quasi Radical Classes of Lattice-Ordered Groups JO - Mathematica balkanica PY - 1993 SP - 199 VL - 7 IS - 3-4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MABA_1993_7_3-4_a2/ ID - MABA_1993_7_3-4_a2 ER -