@article{GDZPPN001254960, title = {Rings which are semilattices of archimedean semigroups.}, journal = {Semigroup forum}, volume = {23}, year = {1981}, pages = {1-6}, zbl = {0469.20038}, url = {http://dml.mathdoc.fr/item/GDZPPN001254960} }
Putcha, M.S. Rings which are semilattices of archimedean semigroups.. Semigroup forum, Tome 23 (1981) pp. 1-6. http://gdmltest.u-ga.fr/item/GDZPPN001254960/