@article{GDZPPN002362260, title = {Free Archimedean l-Groups.}, journal = {Mathematica Scandinavica}, volume = {74}, year = {1994}, pages = {34-48}, zbl = {0819.06017}, url = {http://dml.mathdoc.fr/item/GDZPPN002362260} }
Ton, Dao-Rong; He, Kai-Yao. Free Archimedean l-Groups.. Mathematica Scandinavica, Tome 74 (1994) pp. 34-48. http://gdmltest.u-ga.fr/item/GDZPPN002362260/