@article{MAN_1984__269_163935,
     author = {Dong Hoon Lee and Ta-sun Wu},
     title = {On {Prealgebraic} {Groups.}},
     journal = {Mathematische Annalen},
     pages = {279--286},
     publisher = {mathdoc},
     volume = {269},
     year = {1984},
     zbl = {0562.22001},
     url = {http://geodesic.mathdoc.fr/item/MAN_1984__269_163935/}
}