@article{SF_1981__23_134498,
     author = {M.S. Putcha},
     title = {Rings which are semilattices of archimedean semigroups.},
     journal = {Semigroup forum},
     pages = {1--6},
     publisher = {mathdoc},
     volume = {23},
     year = {1981},
     zbl = {0469.20038},
     url = {http://geodesic.mathdoc.fr/item/SF_1981__23_134498/}
}