@article{MABA_1993_7_3-4_a2,
     author = {Dao-Rong Ton},
     title = {Quasi {Radical} {Classes} of {Lattice-Ordered} {Groups}},
     journal = {Mathematica balkanica},
     pages = {199},
     publisher = {mathdoc},
     volume = {7},
     number = {3-4},
     year = {1993},
     url = {http://geodesic.mathdoc.fr/item/MABA_1993_7_3-4_a2/}
}