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@article{SF_1979__18_134356, author = {J.K. Luedeman and J.A. Bate}, title = {The ring of quotients of {R(S).}}, journal = {Semigroup forum}, pages = {271--278}, publisher = {mathdoc}, volume = {18}, year = {1979}, zbl = {0419.16001}, url = {http://geodesic.mathdoc.fr/item/SF_1979__18_134356/} }
J.K. Luedeman; J.A. Bate. The ring of quotients of R(S).. Semigroup forum, Tome 18 (1979), pp. 271-278. http://geodesic.mathdoc.fr/item/SF_1979__18_134356/