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@article{SF_1972__4_133881, author = {T. Tamura}, title = {On {Putcha's} {Theorem} concerning semilattice of archimedean semigroups.}, journal = {Semigroup forum}, pages = {83--86}, publisher = {mathdoc}, volume = {4}, year = {1972}, zbl = {0256.20075}, url = {http://geodesic.mathdoc.fr/item/SF_1972__4_133881/} }
T. Tamura. On Putcha's Theorem concerning semilattice of archimedean semigroups.. Semigroup forum, Tome 4 (1972), pp. 83-86. http://geodesic.mathdoc.fr/item/SF_1972__4_133881/